|Full name||Derek Anthony Swan|
|Date of birth||24 October 1966|
|Place of birth||Dublin, Republic of Ireland|
|1990||→ Wageningen (loan)||5||(0)|
|1986–1987||Republic of Ireland U21s||2||(0)|
|1989||Republic of Ireland U23||1||(0)|
* Senior club appearances and goals counted for the domestic league only.
Derek Anthony "Swanny" Swan (born 24 October 1966) is an Irish former footballer.
Swan began his career with ex–League of Ireland side Home Farm in 1985–86, making his debut against Shamrock Rovers in November 1985. The following season he secured a switch to Bohemians, where he averaged ten league goals a year in four years with the club. In June 1987 he guested for Shamrock Rovers in a tournament in South Korea.
He moved to England with Port Vale in May 1990, Vale handing Bohemians £15,000. Three months later he was sent out to the Netherlands on a one month loan with Wageningen. He never made the first team at Vale Park and was sold on to Shamrock Rovers for £12,500 in November 1990. He scored twice on his Rovers league debut in December 1990. During his three years at the club he scored 25 goals in 75 league appearances and was top club goalscorer in 1991–92 and 1992–93.
Swan comes from a sporting family; his father Tony played for Bohemians during the 1960s, while his uncle Maurice played for Dundalk and Cardiff City amongst others. His son (also called Derek) had spells in Bohemians' and Shelbourne's reserve team. His cousin is Tony McDonnell.
- "Article". The Irish Times. 11 June 1987. p. 4. Retrieved 22 June 2009.
- Kent, Jeff (1996). Port Vale Personalities. Witan Books. p. 284. ISBN 0-9529152-0-0.
- "Article". The Irish Times. 3 December 1990. p. 16. Retrieved 22 June 2009.
- "Article". The Irish Times. 3 July 1995. p. 30. Retrieved 22 June 2009.
- "Derry mastered by students". BBC Sport. 25 March 2001. Retrieved 22 June 2009.