Aminu is a Hausa language name. It is a variation of "Amin", an Arabic name. Aminu means trustworthy. Amin means true-hearted, honest. People who share this name include:
- Aminu Sule Garo (born 1962), Nigerian politician and businessman
- Aminu Kano (1920–1983), Nigerian politician
- Aminu Isa Kontagora, Nigerian military Administrator and governor
- Aminu Mohammed (born 1993), Ghanaian footballer
- Aminu Mohammed (basketball) (born 2001), Nigerian basketball player
- Aminu Safana (1961–2007), Nigerian politician
- Aminu Saleh, Nigerian administrator, former Finance Minister, and permanent secretary in the Nigerian ministry of Defense
- Aminu Sani (born 1980), Nigerian footballer who plays midfielder
- Aminu Waziri Tambuwal (born 1966), Governor of Sokoto State since 2015
- Aminu Bello Masari (born 1950), Governor of Katsina State since 2015
- Abdulkareem Baba Aminu (born 1977), Nigerian journalist and artist
- Abdulmumini Aminu (born 1949), Nigerian politician best known as military governor of Borno State, Nigeria between August 1985 and December 1987
- Al-Farouq Aminu (born 1990), American-Nigerian basketball player, brother of Alade Aminu
- Alade Aminu (born 1987), American-Nigerian basketball player, brother of Al-Farouq Aminu, 2015–16 Israel Basketball Premier League rebounding leader
- Jubril Aminu (born 1939), Nigerian professor and politician
- Rachael 'rae' Aminu (born 1987), Nigerian-American
lawyer, author , and music minister