Oles may refer to:
- Oles (given name)
- Oles Berdnyk (1926–2003), Ukrainian writer, philosopher, theologian and public figure
- Oles Buzina (1969–2015), Ukrainian journalist and writer
- Oles Chishko (1895–1976), Ukrainian and Russian Soviet composer and singer
- Oles Dovgiy (born 1980), Ukrainian businessman, politician and philanthropist
- Oles Honchar (1918–1995), Soviet and Ukrainian writer and public figure
- Oles Sanin (born 1972), Ukrainian filmmaker, actor, musician and sculptor
- Oles Semernya (1936–2012), Ukrainian artist
- Oles Ulianenko (1962–2010), Ukrainian writer
- Oles (surname)
- Bartłomiej Oleś (born 1973), Polish musician and composer, brother of Marcin
- Darek Oles, an alias of Darek Oleszkiewicz (born 1963), Polish-born musician, composer and educator in the United States
- Leslie Oles (born 1990), Canadian ice hockey player
- Marcin Oleś (born 1973), Polish musician and composer, brother of Bartłomiej
- Marian Oleś (1934–2005), Polish Catholic clergyman
- Oleksandr Oles (1878–1944), Ukrainian writer and poet
- Oles (Villaviciosa), a parish in Villaviciosa, Spain
- The nickname for athletic teams at St. Olaf College, Northfield, Minnesota, U.S.