Olisa is both a surname and given name. Notable people with the name include:
Olisa Adibua, Nigerian radio personality
Olisa Agbakoba (born 1953), Nigerian lawyer and activist
Olisa Metuh Nigerian lawyer and politician
Olisa Odele (born 1994), British child actor
Ken Olisa (born 1951), British businessman and the first black Lord-Lieutenant of Greater London
Victor Olisa, senior officer in the Metropolitan Police in London, England