Olla may refer to:

• Olla, a ceramic cooking pot, used in Spain and Spanish-speaking Latin America countries
• Olla (Roman pot), the very similar ancient Roman version
• Tamal de olla, a large Panamanian tamal that fills the baking pan in which it is cooked

• Olla, Louisiana, a town in La Salle Parish, United States
• Olla, Nigeria, a settlement in Western Nigeria

• Olla (beetle), a genus of ladybird beetles in the subfamily Coccinellinae
• Olla (fungus), a genus of fungi in the family Hyaloscyphaceae
• Olla (film), a 2019 French short film directed by Ariane Labed
• Olla, LLC, the parent company of Pickle-Ball, Inc.

• Hebban olla vogala, the first three words of a fragment of Dutch discovered in 1932 in the margin of a Latin manuscript
• Oya (disambiguation)
• Johnny Ola, a fictional character in The Godfather Part II