Lonny \l(on)-ny\ as a boy's name is a variant of Alonzo (Spanish, Italian), Lawrence (Latin), Leonard (Old German) and Lonnie (English), and the meaning of Lonny is "from Laurentum; lion strength".

The baby name Lonny sounds like Lanny, Lenny, Lonne and Lonn. Other similar baby names are Ronny, Donny, Jonny and Sonny.