“I’m in Love Again” is a 1956 single byFats Domino. The song was written by Domino and his longtime collaborator,Dave Bartholomew. The single was Domino’s third number one on the R&B Best Sellers list, where it stayed at the top for seven weeks. “I’m in Love Again” also peaked at number three for two weeks on the pop chart. “I’m in Love Again” was a double-sided hit for Domino as the B-side of the pop standard, “My Blue Heaven“.