Oscar Acosta

Oscar Acosta may refer to:
 * Oscar Zeta Acosta (1935–1974), American attorney, politician, novelist and activist
 * Oscar Acosta (baseball) (1957–2006), American baseball player and pitching coach
 * Oscar Acosta (footballer) (born 1964), Argentine football midfielder
 * Oscar Acosta (Honduran writer) (1933–2014), Honduran poet and diplomat