Ambrose (c. 340 – 4 April 397) was an archbishop of Milan.
Ambrose may also refer to:
Communities
- Mount Ambrose, a suburb of Redruth in Cornwall, England
- Ambrose, Contra Costa County, California, US
- Ambrose, Georgia, US
- Ambrose, North Dakota, US
- Ambrose, Queensland, a town in Australia
- Ambrose University, a private Christian liberal arts college in Calgary, Alberta, Canada
- Ambrose Alli University in Ekpoma, Edo State, Nigeria
- St Ambrose Barlow Roman Catholic High School, a Catholic technology college in Swinton, Greater Manchester, England, UK
- St Ambrose College, a Catholic boys' grammar school in Altrincham, Greater Manchester, England, UK
- The Ambrose School, a grade K-12 classical Christian school in Meridian, Idaho, US
- St. Ambrose University, Davenport, Iowa, US
- St. Ambrose Academy, a Catholic middle school and high school in Madison, Wisconsin, US
- Saint Ambrose Catholic School (disambiguation)
- Lightship Ambrose, multiple lightships stationed on the Ambrose Channel
- Ambrose Light or Ambrose Tower, a light station that replaced the lightships on the Ambrose Channel
- Ambrose Medal, an award for service to the Canadian earth science community
- Ambrose (golf), a team playing format
- Ambrose, Louisiana, a fictional town in House of Wax
- "Ambrose (Part 5)", a 1959 novelty song by Linda Laurie
- Ambrose Monk, a character from the TV show Monk