Lonnie \l(on)-nie\ as a boy's name (also used as girl's name Lonnie), is pronounced LAH-nee. It is of English origin. An independent name and short form of Alonzo (Old German) "ready for battle". Sinister film actor Lon Chaney.

Lonnie has 6 variant forms: Lon, Lonell, Lonn, Lonne, Lonnell and Lonny.

Baby names that sound like Lonnie are Lannie, Lennie and Linnie.