diff --git a/ui/src/components/IssuesList.tsx b/ui/src/components/IssuesList.tsx
index 10d0709b..a7e4023d 100644
--- a/ui/src/components/IssuesList.tsx
+++ b/ui/src/components/IssuesList.tsx
@@ -38,6 +38,7 @@ export type IssueViewState = {
   priorities: string[];
   assignees: string[];
   labels: string[];
+  projects: string[];
   sortField: "status" | "priority" | "title" | "created" | "updated";
   sortDir: "asc" | "desc";
   groupBy: "status" | "priority" | "assignee" | "none";
@@ -50,6 +51,7 @@ const defaultViewState: IssueViewState = {
   priorities: [],
   assignees: [],
   labels: [],
+  projects: [],
   sortField: "updated",
   sortDir: "desc",
   groupBy: "none",
@@ -93,6 +95,7 @@ function applyFilters(issues: Issue[], state: IssueViewState): Issue[] {
   if (state.priorities.length > 0) result = result.filter((i) => state.priorities.includes(i.priority));
   if (state.assignees.length > 0) result = result.filter((i) => i.assigneeAgentId != null && state.assignees.includes(i.assigneeAgentId));
   if (state.labels.length > 0) result = result.filter((i) => (i.labelIds ?? []).some((id) => state.labels.includes(id)));
+  if (state.projects.length > 0) result = result.filter((i) => i.projectId != null && state.projects.includes(i.projectId));
   return result;
 }
 
@@ -124,6 +127,7 @@ function countActiveFilters(state: IssueViewState): number {
   if (state.priorities.length > 0) count++;
   if (state.assignees.length > 0) count++;
   if (state.labels.length > 0) count++;
+  if (state.projects.length > 0) count++;
   return count;
 }
 
@@ -134,11 +138,17 @@ interface Agent {
   name: string;
 }
 
+interface ProjectOption {
+  id: string;
+  name: string;
+}
+
 interface IssuesListProps {
   issues: Issue[];
   isLoading?: boolean;
   error?: Error | null;
   agents?: Agent[];
+  projects?: ProjectOption[];
   liveIssueIds?: Set<string>;
   projectId?: string;
   viewStateKey: string;
@@ -153,6 +163,7 @@ export function IssuesList({
   isLoading,
   error,
   agents,
+  projects,
   liveIssueIds,
   projectId,
   viewStateKey,
@@ -333,7 +344,7 @@ export function IssuesList({
                     className="h-3 w-3 ml-1 hidden sm:block"
                     onClick={(e) => {
                       e.stopPropagation();
-                      updateView({ statuses: [], priorities: [], assignees: [], labels: [] });
+                      updateView({ statuses: [], priorities: [], assignees: [], labels: [], projects: [] });
                     }}
                   />
                 )}
@@ -451,6 +462,23 @@ export function IssuesList({
                         </div>
                       </div>
                     )}
+
+                    {projects && projects.length > 0 && (
+                      <div className="space-y-1">
+                        <span className="text-xs text-muted-foreground">Project</span>
+                        <div className="space-y-0.5 max-h-32 overflow-y-auto">
+                          {projects.map((project) => (
+                            <label key={project.id} className="flex items-center gap-2 px-2 py-1 rounded-sm hover:bg-accent/50 cursor-pointer">
+                              <Checkbox
+                                checked={viewState.projects.includes(project.id)}
+                                onCheckedChange={() => updateView({ projects: toggleInArray(viewState.projects, project.id) })}
+                              />
+                              <span className="text-sm">{project.name}</span>
+                            </label>
+                          ))}
+                        </div>
+                      </div>
+                    )}
                   </div>
                 </div>
               </div>
diff --git a/ui/src/pages/Issues.tsx b/ui/src/pages/Issues.tsx
index fce74c7a..6dd23bf0 100644
--- a/ui/src/pages/Issues.tsx
+++ b/ui/src/pages/Issues.tsx
@@ -3,6 +3,7 @@ import { useSearchParams } from "@/lib/router";
 import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
 import { issuesApi } from "../api/issues";
 import { agentsApi } from "../api/agents";
+import { projectsApi } from "../api/projects";
 import { heartbeatsApi } from "../api/heartbeats";
 import { useCompany } from "../context/CompanyContext";
 import { useBreadcrumbs } from "../context/BreadcrumbContext";
@@ -48,6 +49,12 @@ export function Issues() {
     enabled: !!selectedCompanyId,
   });
 
+  const { data: projects } = useQuery({
+    queryKey: queryKeys.projects.list(selectedCompanyId!),
+    queryFn: () => projectsApi.list(selectedCompanyId!),
+    enabled: !!selectedCompanyId,
+  });
+
   const { data: liveRuns } = useQuery({
     queryKey: queryKeys.liveRuns(selectedCompanyId!),
     queryFn: () => heartbeatsApi.liveRunsForCompany(selectedCompanyId!),
@@ -91,6 +98,7 @@ export function Issues() {
       isLoading={isLoading}
       error={error as Error | null}
       agents={agents}
+      projects={projects}
       liveIssueIds={liveIssueIds}
       viewStateKey="paperclip:issues-view"
       initialAssignees={searchParams.get("assignee") ? [searchParams.get("assignee")!] : undefined}