Colla may refer to:
- Colla people, indigenous people of Argentina, Bolivia, and Chile
- Daniel Colla (born 1964), Argentine volleyball player
- Luigi Aloysius Colla, an Italian botanist of the late 18th and early 19th centuries
- Colla Uais, Irish king
- Three Collas, Celtic rulers
- Colla, Switzerland, a municipality in the canton of Ticino
- Colla (dance), a type of traditional dance group in Spain
- Colla (moth), a moth genus