Mace has three principal meanings:
- Mace (weapon), a weapon with a heavy head on a solid shaft used to bludgeon opponents
- Flail (weapon), a spiked weapon on a chain
- Ceremonial mace, an ornamented mace used in civic ceremonies
- Mace (spray), a brand of tear gas, often used by police
- Mace (spice), a spice derived from the aril of nutmeg
Mace may also refer to:
- Mace (construction company), an international consultancy and construction company
- Mace (store), a convenience store chain in the United Kingdom and Ireland
- Mace (unit), an English term for a traditional Chinese measurement of weight
- MGM-13 Mace, a U.S. tactical surface-to-surface missile
- Mace: The Dark Age, a 1997 fighting game for arcades and the Nintendo 64
- Mace debating, a particular style of debating
- Mace Windu, a character in the Star Wars movies
- Mace Tyrell, a character in A Song of Ice and Fire books
- Mace (G.I. Joe), a character in the G.I. Joe universe
- Mace is the name of a character in the 1995 film Strange Days
- Mace is the name of a character in the 2007 film Sunshine
- Macé, a commune of Normandy, France
- Hill 262 in Normandy, physical feature known as The Mace during World War II
- Mace, Indiana, a small town in the United States
- Mace's Hole, the former name of Beulah, Colorado
- Mače, Croatia, a village and municipality in Croatia
- Mače, Slovenia, a village in Slovenia
- Malone antegrade continence enema, a surgical procedure used to create a continent pathway proximal to the anus
- Major adverse cardiac events, criterion for evaluating cardiac treatments such as angioplasty
- Major Atmospheric Cerenkov Experiment Telescope, a telescope being built by ECIL to be placed at Hanle
- MACE (gaming convention), Mid-Atlantic Convention Expo gaming convention
- M.A.C.E. Music, American record label
- Mar Athanasius College of Engineering, an Indian engineering college
- Media Archive for Central England, a public sector regional film archive that collects, preserves and provides access to moving image material
- Member of the Australian College of Educators
- Metropolitan Architectural Consortium for Education
- Models And Counter-Examples a computer software for model generation