"He's My Number One" is a pop song written by Terry Britten and B. A. Robertson and recorded by Australian pop singer Christie Allen. The song was released in January 1980 as the fourth single from Allen's debut studio album, Magic Rhythm (1979). The song peaked at number 4 on the Kent Music Report in Australia. At the 1979 Countdown awards, held on 13 April 1980, Allen performed "He's My Number One". Terry Britten won "Best Recorded Songwriter" award for this song.