"T.O.N.Y." is a song by American singer Solange Knowles. It was written and produced by Jack Splash and Cee-Lo Green for her second studio album Sol-Angel and the Hadley St. Dreams (2008) and released on March 31, 2009 as the album's third and final single (see 2009 in music). The word "T.O.N.Y." is used as a shortening of "The Other Night Y?", referring to a one-night stand. The music video features Kid Cudi, Cee-Lo Green and Solange's son Daniel Julez Smith, Jr.

The music video was directed by Va$htie & Solange Knowles. It features cameo appearances by Kid Cudi who plays "T.O.N.Y. (The Other Night oh Y?)" and Cee-Lo Green. The video sees Solange running around frantically, seemingly because of T.O.N.Y; At the end of the video she holds a positive pregnancy test and a paper reading "The Other Night Y???" (T.O.N.Y). The video then switches to "T.O.N.Y" (Kid Cudi) holding the same pregnancy test and sheet of paper. The video switches back to Solange, and her holding a picture of her and a little boy, which is her son, and writing on the picture "I'm in love now".

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