Eliezer Gerstner (Hebrew אליעזר גרסטנר), is an Orthodox Jewish singer, songwriter and producer.
Gerstner was born in 1980. He is married to Chani (Chana Perel) Schreiber. They have two children, Yaakov and Moishe, and live in the Flatbush neighborhood of Brooklyn, New York.
Gerstner began composing songs as a teenager and to date has composed over fifteen hundred songs which grace concerts and school performances around the world. He produces albums of contemporary Jewish music, under the name "EG Productions". Among the artists and groups he has produced are Yeshiva Boys Choir, The Chevra, Menucha, Tek-Noy, and Dovid Stein.