Mayfest may refer to:
- Mayfest, a List of festivals in Glasgow#Past festivals festival held in Glasgow, Scotland 1983-1997
- Maifest, German spring celebration, alternative spelling
Mayfest is an annual contemporary theatre festival that takes place in Bristol for two weeks in May. It is best known for presenting contemporary theatre but also dance, site specific, experimental, interactive and participatory theatre as well as music events.
The festival hosts national, international and local artists and is run across various venues throughout the city of Bristol, including Bristol Old Vic, Arnolfini, Tobacco Factory Theatre, Circomedia and others.
Mayfest has received funding from Arts Council England through Grants for Arts. It is co-produced by Bristol Old Vic.
It was described in 2012 by The Guardian as "the place to go to see work that pushes hard at what theatre can be"