Jenaro is a given name. Notable people with the name include:
Jenaro de Urrutia Olaran (1893–1965), Spanish painterJenaro Flores Santos (born 1941), Bolivian trade union leader and politicianJenaro Gajardo Vera (1919–1998), eccentric Chilean lawyer, painter and poetJenaro Pérez Villaamil (1807–1854), Spanish painterJenaro Pindú (1946–1993), prominent cartoonist, sculptor and architect of ParaguayJenaro Quesada, 1st Marquis of Miravalles (1818–1889), Grandee of SpainJenaro Sánchez Delgadillo (1886–1927), Mexican martyr who died in the Cristero WarJosephine Apieu Jenaro Aken (1955–2008), member of the Luo group from the Bahr el Ghazal area