|Full name||Kostadin Stoyanov Stoyanov|
|Date of birth||2 May 1986|
|Place of birth||Sliven, Bulgaria|
|Height||1.80 m (5 ft 11 in)|
|Playing position||Centre back|
|2013||Beroe Stara Zagora||3||(0)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 09:12, 28 September 2016 (UTC).
Stoyanov began his football career playing for Sliven, before joined Chernomorets Burgas. Stoyanov made his B PFG debut on 21 August 2004, in Chernomorets's 1–0 defeat to Vihren Sandanski. In the summer of 2005 he joined Zagorets Nova Zagora.
In June 2007 he moved to OFC Sliven 2000. After a two good seasons in Sliven, on 24 June 2009, he signed a contract for 3 years with CSKA Sofia. He scored his first goal for the team on 20 September 2009 in the 2:0 win against Levski Sofia in The Eternal Derby of Bulgaria.
In June 2007 he participated with the team in the European Football Championship for amateurs - UEFA Regions' Cup in Bulgaria. On 26 June 2007 Stoyanov played in the final of the tournament, but Bulgaria lost the match against Poland with 1:2. On 2 October 2009 Stoyanov was called by the manager of the Bulgarian national football team Stanimir Stoilov for the matches against Cyprus and Georgia.
- "Българите с половин сантиметър по-високи" (in Bulgarian). 7sport.net. 1 September 2011. Retrieved 4 May 2015.
- "Stats Centre: Kostadin Stoyanov Facts". Guardian.co.uk.
- "Костадин Стоянов - "армеец" като дядо си" (in Bulgarian). sportline.bg. Retrieved 2009-09-22.
- Верея II спечели баража и ще играе в Югоизточна "В" група
- "Regions' Cup break the making of Stoyanov". uefa.com. Retrieved 2011-05-10.
- "Stoyanov's games for Bulgaria". soccernet.espn.go.com.
- Kostadin Stoyanov at National-Football-Teams.com
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