Ukko-Pekka was the nickname of Finnish president Pehr Evind Svinhufvud.

Ukko-Pekka may also refer to:

Ukko-Pekka Luukkonen (born 1999), Finnish ice hockey player Ukko-Pekka (locomotive), the nickname of VR Class Hr1, a steam locomotive built in Finland

See also Ukko (disambiguation)