Oleksa (Ukrainian: Олекса) is a Ukrainian masculine given name, a variant of the Slavic name Alexey, which is derived from the Greek Alexius. Notable individuals with the name include:
Given name
Oleksa Almaziv (1886–1936), Ukrainian military officer Oleksa Bakhmatiuk (1820–1882), Ukrainian tile painter
Oleksa Dovbush (1700–1745), Ukrainian outlaw Oleksa Hirnyk (1912–1978), Ukrainian Soviet dissident Oleksa Lozowchuk (born 1976), Canadian composer, music producer and multi-instrumentalist Oleksa Nehrebets'kyi (born 1955), Ukrainian television editor Oleksa Novakivskyi (1872–1935), Ukrainian painter and art teacher Oleksa Shatkivsky (1908–1979), Ukrainian artist Oleksa Storozhenko (1806–1874), Ukrainian writer and anthropologist Oleksa Volianskyi (1862–1947), Ukrainian priest and ethnographer
Surname Michael Oleksa, Russian Orthodox missionary