Cosimo
- C. O. Brocato
- Cosimo Antonelli
- Cosimo Bartoli
- Cosimo Boscaglia
- Cosimo Caliandro
- Cosimo Cavallaro
- Cosimo Commisso (disambiguation)
- Cosimo Commisso (soccer)
- Cosimo Daddi
- Cosimo Fancelli
- Cosimo Fanzago
- Cosimo I de' Medici, Grand Duke of Tuscany
- Cosimo II de' Medici, Grand Duke of Tuscany
- Cosimo III de' Medici, Grand Duke of Tuscany
- Cosimo Lotti
- Cosimo Matassa
- Cosimo Morelli
- Cosimo Perrotta
- Cosimo Pinto
- Cosimo Piovasco di Rondò
- Cosimo Rosselli
- Cosimo Tura
- Cosimo Ulivelli
- Cosimo de' Medici
- Cosimo di Giovanni de' Medici (disambiguation)
- Cosma (disambiguation)
- Cosmas (disambiguation)
- Cosmo (disambiguation)
- Cosmo (name)
- Kosmo (disambiguation)
- Piero di Cosimo