Lenni

Lenni may refer to:


 * Lenni, Pennsylvania, an unincorporated community in Middletown Township, Delaware County, Pennsylvania
 * Lenni station, abandoned train station of Lenni
 * Lenni Brenner (born 1937), American Marxist writer
 * Lenni Jabour, Canadian singer-songwriter based in France
 * Nanticoke Lenni-Lenape People (Nanticoke Lenape Indians), a tribal confederation
 * Yang Jeongin, a member of the K-Pop group Stray Kids