Nelson Martinez may refer to:
Nelson Martinez (baritone) (born 1981), Cuban-American operatic baritone Nelson Martínez (footballer) (born 1991), Ecuadorian footballer Nelson Martínez (politician) (1951–2018), Venezuelan politician Nelson Martínez Rust (1944–2026), Venezuelan prelate of the Roman Catholic Church Nelson Martinez (soccer) (born 2001), American soccer player