Jacu may refer to:
Jacu River, in the Rio Grande do Norte and Paraíba states in eastern Brazil Jacu, the Portuguese name, from a Tupi language, to the guan (birds of the genus Penelope) Uchu Jacu, a traditional flour from the Ecuadorian province of Pichincha A village in Albești, Mureș, a commune in Mureș County, Romania
See also Jaco (disambiguation) Jacuí (disambiguation)