Aco (given name)
Aco is a masculine given name, often a short form of Aleksandar, which may refer to:
- Aleksandar Aco Apolonio, first and only president of the self-proclaimed Dubrovnik Republic
- Aleksandar Aco Đukanović, controversial Montenegrin businessman
- Aco Jonovski, Macedonian handball player
- Aco Karamanov, Macedonian poet and partisan
- Aco Mavec, Slovene painter
- Aleksandar Aco Pejović, Serbian pop-folk singer
- Aleksandar Aco Petrović , Serbian basketball coach
- Aleksandar Petrović , Croatian basketball coach and former player
- Aco Šopov, Macedonian poet
- Aco Stojkov, Macedonian footballer