Aimo can be a masculine given name, a middle name, or a surname. Notable people with the name include:
Given name Aimo Aaltonen, Finnish construction worker and politician Aimo Aho (1951–2014), Finnish javelin thrower Aimo Cajander (1879–1943), former prime minister of Finland Aimo Diana (born 1978), Italian football manager and former footballer Aimo Heilmann (born 1974), German freestyle swimmer Aimo Jokinen (1931–2014), Finnish cyclist Aimo Koivunen (1917–1989), Finnish soldier Aimo Lahti (1896–1970), Finnish weapons designer Aimo Laiho, Finnish parliamentarian Aimo Mäenpää (1937–2018), Finnish wrestler Aimo Maggi, Italian painter Aimo Moroni (1934–2025), Italian chef Aimo Nieminen (1940–2018), Finnish weightlifter Aimo Pagin, French pianist Aimo Pulkkinen (1928–2018), Finnish footballer Aimo Sommarberg (footballer) (1931–2022), Finnish football defender Aimo Tepsell (1932–2017), Finnish orienteer Aimo Tukiainen (1917–1996), Finnish sculptor Aimo Vartiainen (1947–2023), Finnish alpine skier
Middle name Tapani Aimo Vuorenhela (born 1947), Finnish former racing cyclist
Surname Angelo Aimo (born 1964), Italian former football midfielder Bartolomeo Aimo (1889–1970), Italian road bicycle racer Tony Aimo (born 1960), Papua New Guinean politician