Lennin is a masculine name with Spanish origins. It is pronounced as LEH-neen in Spanish and LEN-in in American English. Lennin is a variation of the name Lenin, which is often associated with Vladimir Lenin, the famous Russian revolutionary and political leader. Despite its association with history, Lennin has become a relatively uncommon name in recent years in the United States, with varying occurrences and ranks. However, it still remains an option for parents seeking a unique and culturally significant name for their baby boy.