Georgi Georgiev Kostadinov (; born 7 September 1990) is a Bulgarian professional footballer who plays as a defensive midfielder for Levski Sofia and the Bulgaria national team.
Born in Tsarevo, Kostadinov began his career with Naftex Burgas. In 2007âÂÂ08, he helped Naftex win the Bulgarian U19 Championship, scoring the only goal in the final against CSKA Sofia.
In June 2009, Kostadinov joined Pomorie.
On 16 January 2012, Kostadinov signed for Ludogorets Razgrad. His A Group debut was on 18 March, as a substitute against Svetkavitsa, replacing Stanislav Genchev in the 78th minute. Six minutes later he scored his first goal, netting the fourth in a 5âÂÂ0 victory.
Kostadinov won two Bulgarian League titles, a Bulgarian Cup and the Bulgarian Supercup for Ludogorets, but struggled to hold down a place in the first team, totalling 13 games and two goals.
On 19 August 2013, Kostadinov joined Beroe Stara Zagora as a free agent. He signed a two-year contract with the club and was given the number 70 shirt. Kostadinov made his debut in the same day in a 0âÂÂ0 home draw against Cherno More, coming on as an 85th-minute substitute for ÃÂlio Martins. He scored his first Beroe goal on 9 March 2014, in a 3âÂÂ1 away win over Chernomorets Burgas. Kostadinov spent two seasons with the club, where he scored 8 goals in 49 league matches.
After his contract with Beroe expired, Kostadinov joined Levski Sofia. On 3 July 2015, he signed a two-year contract with Levski. His competitive debut came against Botev Plovdiv in the opening game of the Bulgarian League season on 18 July, and scored his first goal for the club in a 1âÂÂ1 away draw.
After two successful individual campaigns with Levski, he left the club at the end of his contract in May 2017.
On 22 June 2017, Kostadinov signed as a free agent for Israeli Premier League club Maccabi Haifa on a two-year contract. He made his competitive debut for the club on 29 July, playing full 90 minutes of a 2017âÂÂ18 Toto Cup Al match against Bnei Sakhnin at Acre Municipal Stadium; Maccabi won 4âÂÂ1. Kostadinov played his first Israeli Premier League match on the opening day of the season during their 2âÂÂ0 away defeat against Bnei Yehuda on 21 August.
On 16 September 2017, Kostadinov scored his first goals in a 4âÂÂ2 home win over Hapoel Ra'anana. He scored his second Maccabi goal on 5 May 2018 in a 1âÂÂ1 draw at Bnei Sakhnin.
On 1 July 2018, Kostadinov joined Russian Premier League club Arsenal Tula on a 2+1-year contract, for an undisclosed fee reported to be â¬200,000. On 29 July, he made his competitive debut in their season opener against Dynamo Moscow by replacing Kantemir Berkhamov for the final 32 minutes of a 0âÂÂ0 home draw. On 5 October 2018, he scored his first Russian Premier League goal in a 1âÂÂ1 home draw against FC Ufa.
On 26 July 2022, Kostadinov signed with APOEL in Cyprus. He scored his first goal for the club on 17 September 2022, in a 2âÂÂ0 away win over Olympiakos Nicosia.
In February 2025, he returned to Levski Sofia, signing a contract until the summer of 2026.
He was called up to the senior Bulgaria squad by Ivaylo Petev for a 2018 FIFA World Cup qualifier against Luxembourg in September 2016. Kostadinov earned his first cap on 7 October under new manager Petar Hubchev, playing the full 90 minutes in the 1âÂÂ4 away loss against France in another qualification match for the 2018 World Cup.
On 31 August 2017, Kostadinov scored his second international goal in a 3âÂÂ2 home win against Sweden.