Mullen (disambiguation)
- Mac Maoláin
- Maelan mac Cathmogha
- McMullen
- Moylan
- Mullen
- Mullen Automotive
- Mullen Gang
- Mullen High School
- Mullen Newspaper Company
- Mullen Township, Boyd County, Nebraska
- Mullen, California
- Mullen, Nebraska
- MullenLowe U.S.
- Mullens (disambiguation)
- Mullens, West Virginia
- Mullin
- Mullins (disambiguation)
- Mullins (surname)
- Verbascum