"Maybe I Know" is a song written by Jeff Barry and Ellie Greenwich and performed by Lesley Gore. The song was one in a long line of successful "Brill Building Sound" hits created by composers and arrangers working in New York City's Brill Building at 1619 Broadway. Pop songwriting stars Barry and Greenwich had previously scored hits with songs such as "Be My Baby" and "Baby, I Love You" (The Ronettes), and "Then He Kissed Me" and "Da Doo Ron Ron" (The Crystals).

"Maybe I Know" reached #14 on the Billboard Hot 100, #16 in Canada, #20 in the United Kingdom, and #37 in Australia in 1964. It was featured on her 1964 album, Girl Talk.

The song was produced by Quincy Jones and arranged by Claus Ogerman.