Johnny Logan (born 13 May 1954) is an Australian-born Irish singer and composer. He is best known as the only performer to have won the Eurovision Song Contest twice, in 1980 and 1987. He also composed the winning song in 1992.

Logan first won the Eurovision Song Contest in 1980, with the song "What's Another Year" written by Shay Healy. In 1984, Logan composed the song "Terminal 3" which placed second at Eurovision, performed by Linda Martin. He won the contest for a second time in 1987 with "Hold Me Now", which he also wrote. His third win came in 1992, as composer of Linda Martin's winning entry "Why Me?".