Sean Feargal Sharkey (born 13 August 1958) is a singer from Northern Ireland who first found fame as the lead vocalist of pop punk band The Undertones, who had seven UK top 40 hits, including "Teenage Kicks" (1978), "Jimmy Jimmy" (1979). "My Perfect Cousin" (1980) and "Wednesday Week" (1980). As lead singer of The Assembly, he had a UK number four hit with "Never Never" (1983). His solo hits include the UK number one "A Good Heart" (1985) and the UK top ten hit "You Little Thief" (1986).

Since moving away from performing in the early 1990s, he has performed various roles supporting the UK's commercial music industry, winning several awards and honours for his work in that area.