"If This Isn't Love" is a song recorded by American recording artist Jennifer Hudson. It was written and composed by Planet VI, brothers Theron and Timothy Thomas, along with Brian Kennedy for her eponymous debut album, released in 2008. Production on the song was handled by the latter and Harvey Mason, Jr. Musically, it is a midtempo contemporary R&B ballad with pop elements, built along on a piano and electric guitar sounds.