diff --git a/apps/portal/src/components/resumes/comments/ResumeCommentListItem.tsx b/apps/portal/src/components/resumes/comments/ResumeCommentListItem.tsx
index 9a871070..1be17cf7 100644
--- a/apps/portal/src/components/resumes/comments/ResumeCommentListItem.tsx
+++ b/apps/portal/src/components/resumes/comments/ResumeCommentListItem.tsx
@@ -2,6 +2,7 @@ import { useState } from 'react';
 import { FaceSmileIcon } from '@heroicons/react/24/outline';
 
 import ResumeCommentEditForm from './comment/ResumeCommentEditForm';
+import ResumeCommentReplyForm from './comment/ResumeCommentReplyForm';
 import ResumeCommentVoteButtons from './comment/ResumeCommentVoteButtons';
 import ResumeUserBadges from '../badges/ResumeUserBadges';
 import ResumeExpandableText from '../shared/ResumeExpandableText';
@@ -19,6 +20,7 @@ export default function ResumeCommentListItem({
 }: ResumeCommentListItemProps) {
   const isCommentOwner = userId === comment.user.userId;
   const [isEditingComment, setIsEditingComment] = useState(false);
+  const [isReplyingComment, setIsReplyingComment] = useState(false);
 
   return (
     <div className="border-primary-300 w-11/12 min-w-fit rounded-md border-2 bg-white p-2 drop-shadow-md">
@@ -70,15 +72,34 @@ export default function ResumeCommentListItem({
           <div className="flex flex-row space-x-1 pt-1 align-middle">
             <ResumeCommentVoteButtons commentId={comment.id} userId={userId} />
 
-            {isCommentOwner && !isEditingComment && (
-              <button
-                className="text-primary-800 hover:text-primary-400 px-1 text-xs"
-                type="button"
-                onClick={() => setIsEditingComment(true)}>
-                Edit
-              </button>
+            {isCommentOwner && !isEditingComment && !isReplyingComment && (
+              <>
+                <button
+                  className="text-primary-800 hover:text-primary-400 px-1 text-xs"
+                  type="button"
+                  onClick={() => setIsEditingComment(true)}>
+                  Edit
+                </button>
+
+                <button
+                  className="text-primary-800 hover:text-primary-400 px-1 text-xs"
+                  type="button"
+                  onClick={() => setIsReplyingComment(true)}>
+                  Reply
+                </button>
+              </>
             )}
           </div>
+
+          {/* Replies */}
+          {isReplyingComment && (
+            <ResumeCommentReplyForm
+              parentId={comment.id}
+              resumeId={comment.resumeId}
+              section={comment.section}
+              setIsReplyingComment={setIsReplyingComment}
+            />
+          )}
         </div>
       </div>
     </div>
diff --git a/apps/portal/src/components/resumes/comments/comment/ResumeCommentReplyForm.tsx b/apps/portal/src/components/resumes/comments/comment/ResumeCommentReplyForm.tsx
new file mode 100644
index 00000000..0f2f89e6
--- /dev/null
+++ b/apps/portal/src/components/resumes/comments/comment/ResumeCommentReplyForm.tsx
@@ -0,0 +1,107 @@
+import type { SubmitHandler } from 'react-hook-form';
+import { useForm } from 'react-hook-form';
+import type { ResumesSection } from '@prisma/client';
+import { Button, TextArea } from '@tih/ui';
+
+import { trpc } from '~/utils/trpc';
+
+type ResumeCommentEditFormProps = {
+  parentId: string;
+  resumeId: string;
+  section: ResumesSection;
+  setIsReplyingComment: (value: boolean) => void;
+};
+
+type IReplyInput = {
+  description: string;
+};
+
+export default function ResumeCommentReplyForm({
+  parentId,
+  setIsReplyingComment,
+  resumeId,
+  section,
+}: ResumeCommentEditFormProps) {
+  const {
+    register,
+    handleSubmit,
+    setValue,
+    formState: { errors, isDirty },
+    reset,
+  } = useForm<IReplyInput>({
+    defaultValues: {
+      description: '',
+    },
+  });
+
+  const trpcContext = trpc.useContext();
+  const commentReplyMutation = trpc.useMutation('resumes.comments.user.reply', {
+    onSuccess: () => {
+      // Comment updated, invalidate query to trigger refetch
+      trpcContext.invalidateQueries(['resumes.comments.list']);
+    },
+  });
+
+  const onCancel = () => {
+    reset({ description: '' });
+    setIsReplyingComment(false);
+  };
+
+  const onSubmit: SubmitHandler<IReplyInput> = async (data) => {
+    return commentReplyMutation.mutate(
+      {
+        parentId,
+        resumeId,
+        section,
+        ...data,
+      },
+      {
+        onSuccess: () => {
+          setIsReplyingComment(false);
+        },
+      },
+    );
+  };
+
+  const setFormValue = (value: string) => {
+    setValue('description', value.trim(), { shouldDirty: true });
+  };
+
+  return (
+    <form onSubmit={handleSubmit(onSubmit)}>
+      <div className="flex-column mt-1 space-y-2">
+        <TextArea
+          {...(register('description', {
+            required: 'Reply cannot be empty!',
+          }),
+          {})}
+          defaultValue=""
+          disabled={commentReplyMutation.isLoading}
+          errorMessage={errors.description?.message}
+          label=""
+          placeholder="Leave your reply here"
+          onChange={setFormValue}
+        />
+
+        <div className="flex-row space-x-2">
+          <Button
+            disabled={commentReplyMutation.isLoading}
+            label="Cancel"
+            size="sm"
+            variant="tertiary"
+            onClick={onCancel}
+          />
+
+          <Button
+            disabled={!isDirty || commentReplyMutation.isLoading}
+            isLoading={commentReplyMutation.isLoading}
+            label="Confirm"
+            size="sm"
+            type="submit"
+            variant="primary"
+          />
+        </div>
+      </div>
+    </form>
+  );
+}
diff --git a/apps/portal/src/server/router/resumes/resumes-comments-user-router.ts b/apps/portal/src/server/router/resumes/resumes-comments-user-router.ts
index 94c375f7..d061a4c2 100644
--- a/apps/portal/src/server/router/resumes/resumes-comments-user-router.ts
+++ b/apps/portal/src/server/router/resumes/resumes-comments-user-router.ts
@@ -67,4 +67,26 @@ export const resumesCommentsUserRouter = createProtectedRouter()
         },
       });
     },
+  })
+  .mutation('reply', {
+    input: z.object({
+      description: z.string(),
+      parentId: z.string(),
+      resumeId: z.string(),
+      section: z.nativeEnum(ResumesSection),
+    }),
+    async resolve({ ctx, input }) {
+      const userId = ctx.session.user.id;
+      const { description, parentId, resumeId, section } = input;
+
+      return await ctx.prisma.resumesComment.create({
+        data: {
+          description,
+          parentId,
+          resumeId,
+          section,
+          userId,
+        },
+      });
+    },
   });