diff --git a/src/registrar/decorators.py b/src/registrar/decorators.py
index aa16e91f5..714e375c4 100644
--- a/src/registrar/decorators.py
+++ b/src/registrar/decorators.py
@@ -167,7 +167,7 @@ def _user_has_permission(user, request, rules, **kwargs):
             # TODO -- fix this on all related URLS :(
             and (
                 _member_exists_under_portfolio(portfolio, kwargs.get("member_pk")) 
-                or _member_invitation_exists_under_portfolio(portfolio, kwargs.get("memberinvitation_pk"))
+                or _member_invitation_exists_under_portfolio(portfolio, kwargs.get("invitedmember_pk"))
             ),
         ),
     ]
@@ -213,8 +213,8 @@ def _domain_request_exists_under_portfolio(portfolio, domain_request_pk):
 def _member_exists_under_portfolio(portfolio, member_pk):
     return UserPortfolioPermission.objects.filter(portfolio=portfolio, id=member_pk).exists()
 
-def _member_invitation_exists_under_portfolio(portfolio, memberinvitation_pk):
-    return PortfolioInvitation.objects.filter(portfolio=portfolio, id=memberinvitation_pk).exists()
+def _member_invitation_exists_under_portfolio(portfolio, invitedmember_pk):
+    return PortfolioInvitation.objects.filter(portfolio=portfolio, id=invitedmember_pk).exists()
 
 def _is_domain_request_creator(user, domain_request_pk):
     """Checks to see if the user is the creator of a domain request
diff --git a/src/registrar/templates/includes/member_domains_edit_table.html b/src/registrar/templates/includes/member_domains_edit_table.html
index a76f711cc..1d706f89a 100644
--- a/src/registrar/templates/includes/member_domains_edit_table.html
+++ b/src/registrar/templates/includes/member_domains_edit_table.html
@@ -91,9 +91,9 @@
   aria-describedby="You have unsaved changes that will be lost."
 >
 {% if portfolio_permission %}
-    {% url 'member-domains' pk=portfolio_permission.id as url %}
+    {% url 'member-domains' member_pk=portfolio_permission.id as url %}
 {% else %}
-    {% url 'invitedmember-domains' pk=portfolio_invitation.id as url %}
+    {% url 'invitedmember-domains' invitedmember_pk=portfolio_invitation.id as url %}
 {% endif %}
 
 {% include 'includes/modal.html' with modal_heading="Are you sure you want to continue?" modal_description="You have unsaved changes that will be lost." modal_button_url=url modal_button_text="Continue without saving" %}
diff --git a/src/registrar/templates/portfolio_member_domains.html b/src/registrar/templates/portfolio_member_domains.html
index 76d48c20b..677539585 100644
--- a/src/registrar/templates/portfolio_member_domains.html
+++ b/src/registrar/templates/portfolio_member_domains.html
@@ -15,11 +15,11 @@
 
     {% url 'members' as url %}
     {% if portfolio_permission %}
-        {% url 'member' pk=portfolio_permission.id as url2 %}
-        {% url 'member-domains-edit' pk=portfolio_permission.id as url3 %}
+        {% url 'member' member_pk=portfolio_permission.id as url2 %}
+        {% url 'member-domains-edit' member_pk=portfolio_permission.id as url3 %}
     {% else %}
-        {% url 'invitedmember' pk=portfolio_invitation.id as url2 %}
-        {% url 'invitedmember-domains-edit' pk=portfolio_invitation.id as url3 %}
+        {% url 'invitedmember' invitedmember_pk=portfolio_invitation.id as url2 %}
+        {% url 'invitedmember-domains-edit' invitedmember_pk=portfolio_invitation.id as url3 %}
     {% endif %}
     <nav class="usa-breadcrumb padding-top-0" aria-label="Portfolio member breadcrumb">
     <ol class="usa-breadcrumb__list">
diff --git a/src/registrar/templates/portfolio_member_domains_edit.html b/src/registrar/templates/portfolio_member_domains_edit.html
index 572c6cb6e..2a88075d7 100644
--- a/src/registrar/templates/portfolio_member_domains_edit.html
+++ b/src/registrar/templates/portfolio_member_domains_edit.html
@@ -15,11 +15,11 @@
 
     {% url 'members' as url %}
     {% if portfolio_permission %}
-        {% url 'member' pk=portfolio_permission.id as url2 %}
-        {% url 'member-domains' pk=portfolio_permission.id as url3 %}
+        {% url 'member' member_pk=portfolio_permission.id as url2 %}
+        {% url 'member-domains' member_pk=portfolio_permission.id as url3 %}
     {% else %}
-        {% url 'invitedmember' pk=portfolio_invitation.id as url2 %}
-        {% url 'invitedmember-domains' pk=portfolio_invitation.id as url3 %}
+        {% url 'invitedmember' invitedmember_pk=portfolio_invitation.id as url2 %}
+        {% url 'invitedmember-domains' invitedmember_pk=portfolio_invitation.id as url3 %}
     {% endif %}
     <nav class="usa-breadcrumb padding-top-0" aria-label="Portfolio member breadcrumb">
         <ol class="usa-breadcrumb__list">
diff --git a/src/registrar/templates/portfolio_member_permissions.html b/src/registrar/templates/portfolio_member_permissions.html
index 351243388..e5ae5864e 100644
--- a/src/registrar/templates/portfolio_member_permissions.html
+++ b/src/registrar/templates/portfolio_member_permissions.html
@@ -20,9 +20,9 @@
   <!-- Navigation breadcrumbs -->
   {% url 'members' as url %}
   {% if portfolio_permission %}
-      {% url 'member' pk=portfolio_permission.id as url2 %}
+      {% url 'member' member_pk=portfolio_permission.id as url2 %}
   {% else %}
-      {% url 'invitedmember' pk=invitation.id as url2 %}
+      {% url 'invitedmember' invitedmember_pk=invitation.id as url2 %}
   {% endif %}
   <nav class="usa-breadcrumb padding-top-0 bg-gray-1" aria-label="Portfolio member breadcrumb">
   <ol class="usa-breadcrumb__list">
diff --git a/src/registrar/views/portfolio_members_json.py b/src/registrar/views/portfolio_members_json.py
index ecdd24441..46b295025 100644
--- a/src/registrar/views/portfolio_members_json.py
+++ b/src/registrar/views/portfolio_members_json.py
@@ -213,9 +213,12 @@ class PortfolioMembersJson(View):
         view_only = not user.has_edit_members_portfolio_permission(portfolio) or not user_can_edit_other_users
 
         is_admin = UserPortfolioRoleChoices.ORGANIZATION_ADMIN in (item.get("roles") or [])
-        action_url = reverse(item["type"], kwargs={"pk": item["id"]})
 
         item_type = item.get("type", "")
+        if item_type == "invitedmember":
+            action_url = reverse(item["type"], kwargs={"invitedmember_pk": item["id"]})
+        else:
+            action_url = reverse(item["type"], kwargs={"member_pk": item["id"]})
 
         # Ensure domain_info is properly processed for invites -
         # we need to un-concatenate the subquery
diff --git a/src/registrar/views/portfolios.py b/src/registrar/views/portfolios.py
index d2a54ea51..3a04d4c86 100644
--- a/src/registrar/views/portfolios.py
+++ b/src/registrar/views/portfolios.py
@@ -77,6 +77,7 @@ class PortfolioMemberView(DetailView, View):
     model = Portfolio
     context_object_name = "portfolio"
     template_name = "portfolio_member.html"
+    pk_url_kwarg = "member_pk"
 
     def get(self, request, member_pk):
         portfolio_permission = get_object_or_404(UserPortfolioPermission, pk=member_pk)
@@ -118,6 +119,7 @@ class PortfolioMemberView(DetailView, View):
 
 @grant_access(HAS_PORTFOLIO_MEMBERS_VIEW, HAS_PORTFOLIO_MEMBERS_EDIT)
 class PortfolioMemberDeleteView(View):
+    pk_url_kwarg = "member_pk"
 
     def post(self, request, member_pk):
         """
@@ -224,6 +226,7 @@ class PortfolioMemberEditView(DetailView, View):
     context_object_name = "portfolio"
     template_name = "portfolio_member_permissions.html"
     form_class = portfolioForms.PortfolioMemberForm
+    pk_url_kwarg = "member_pk"
 
     def get(self, request, member_pk):
         portfolio_permission = get_object_or_404(UserPortfolioPermission, pk=member_pk)
@@ -277,7 +280,7 @@ class PortfolioMemberEditView(DetailView, View):
                 self._handle_exceptions(e)
             form.save()
             messages.success(self.request, "The member access and permission changes have been saved.")
-            return redirect("member", pk=member_pk) if not removing_admin_role_on_self else redirect("home")
+            return redirect("member", member_pk=member_pk) if not removing_admin_role_on_self else redirect("home")
 
         return render(
             request,
@@ -305,6 +308,7 @@ class PortfolioMemberEditView(DetailView, View):
 class PortfolioMemberDomainsView(View):
 
     template_name = "portfolio_member_domains.html"
+    pk_url_kwarg = "member_pk"
 
     def get(self, request, member_pk):
         portfolio_permission = get_object_or_404(UserPortfolioPermission, pk=member_pk)
@@ -325,6 +329,7 @@ class PortfolioMemberDomainsEditView(DetailView, View):
     model = Portfolio
     context_object_name = "portfolio"
     template_name = "portfolio_member_domains_edit.html"
+    pk_url_kwarg = "member_pk"
 
     def get(self, request, member_pk):
         portfolio_permission = get_object_or_404(UserPortfolioPermission, pk=member_pk)
@@ -438,6 +443,7 @@ class PortfolioInvitedMemberView(DetailView, View):
     context_object_name = "portfolio"
     template_name = "portfolio_member.html"
     # form_class = PortfolioInvitedMemberForm
+    pk_url_kwarg = "invitedmember_pk"
 
     def get(self, request, invitedmember_pk):
         portfolio_invitation = get_object_or_404(PortfolioInvitation, pk=invitedmember_pk)
@@ -478,7 +484,7 @@ class PortfolioInvitedMemberView(DetailView, View):
 
 @grant_access(HAS_PORTFOLIO_MEMBERS_VIEW, HAS_PORTFOLIO_MEMBERS_EDIT)
 class PortfolioInvitedMemberDeleteView(View):
-
+    pk_url_kwarg = "invitedmember_pk"
     def post(self, request, invitedmember_pk):
         """
         Find and delete the portfolio invited member using the provided primary key (pk).
@@ -528,6 +534,7 @@ class PortfolioInvitedMemberEditView(DetailView, View):
     context_object_name = "portfolio"
     template_name = "portfolio_member_permissions.html"
     form_class = portfolioForms.PortfolioInvitedMemberForm
+    pk_url_kwarg = "invitedmember_pk"
 
     def get(self, request, invitedmember_pk):
         portfolio_invitation = get_object_or_404(PortfolioInvitation, pk=invitedmember_pk)
@@ -569,7 +576,7 @@ class PortfolioInvitedMemberEditView(DetailView, View):
                 self._handle_exceptions(e)
             form.save()
             messages.success(self.request, "The member access and permission changes have been saved.")
-            return redirect("invitedmember", pk=invitedmember_pk)
+            return redirect("invitedmember", invitedmember_pk=invitedmember_pk)
 
         return render(
             request,
@@ -597,6 +604,7 @@ class PortfolioInvitedMemberEditView(DetailView, View):
 class PortfolioInvitedMemberDomainsView(View):
 
     template_name = "portfolio_member_domains.html"
+    pk_url_kwarg = "invitedmember_pk"
 
     def get(self, request, invitedmember_pk):
         portfolio_invitation = get_object_or_404(PortfolioInvitation, pk=invitedmember_pk)
@@ -616,6 +624,7 @@ class PortfolioInvitedMemberDomainsEditView(DetailView, View):
     model = Portfolio
     context_object_name = "portfolio"
     template_name = "portfolio_member_domains_edit.html"
+    pk_url_kwarg = "invitedmember_pk"
 
     def get(self, request, invitedmember_pk):
         portfolio_invitation = get_object_or_404(PortfolioInvitation, pk=invitedmember_pk)