|Full name||Ivaylo Rumenov Petkov|
|Date of birth||24 March 1976|
|Place of birth||Dolni Dabnik, Bulgaria|
|Height||1.82 m (5 ft 11+1⁄2 in)|
|Position(s)||Left back, Centre-back|
|*Club domestic league appearances and goals, correct as of 8 May 2011|
Ivaylo Rumenov Petkov (Bulgarian: Ивайло Руменов Петков; born 24 March 1976 in Dolni Dabnik, Pleven Province) is a former Bulgarian footballer, who played mainly as a left back and centre-back. He has won three A PFG titles, one Süper Lig title, a Bulgarian Cup and Bulgarian Supercup at Club Level, playing for 6 different teams throughout his career.
Petkov start to play football in Spartak Pleven. In 1995, he made his debut for the first team. He started to make his name in season 1997–98 when played for the present team Litex Lovech. After that he played for İstanbulspor, Fenerbahçe SK and Ankaragücü football clubs in Turkey and Kuban Krasnodar in Russia.
In January 2009, Petkov returned to Bulgaria and signed with Litex Lovech. He has won two A PFG titles, a Bulgarian Cup and a Bulgarian Supercup. At the end of 2010–11 season, Petkov announced his retirement from professional football.
- (Correct as of 11 June 2011[update])
Petkov made his first appearance for Bulgaria in 1996 when he was picked by Hristo Bonev for the friendly against Saudi Arabia on 6 November. He scored his first international goal on 18 August 1999, with a 32-yard shot in a 1–1 friendly draw against Ukraine. For Bulgaria, Petkov was capped 63 times, scoring 3 goals.
- Scores and goals list Bulgaria's goal tally first.
|1.||18 August 1999||Valeriy Lobanovskyi Stadium, Kyiv, Ukraine||Ukraine||1–1||1–1||Friendly|
|2.||10 October 1999||Lazur Stadium, Burgas, Bulgaria||Luxembourg||2–0||3–0||UEFA Euro 2000 qualification|
|3.||29 March 2000||Georgi Asparuhov Stadium, Sofia, Bulgaria||Belarus||3–1||4–1||Friendly|
- Litex Lovech
- Bulgarian League (3): 1997–98, 2009–10, 2010–11
- Bulgarian Cup (1): 2008–09
- Bulgarian Supercup (1): 2010
- "Litex bring back Petkov". UEFA. Retrieved 17 February 2009.
- "Франция'98: Съставът на България" (in Bulgarian). Omda.com. Archived from the original on 5 March 2017. Retrieved 4 November 2012.
- "Националите постигнаха престижно равенство с Украйна" (in Bulgarian). capital.bg.