Georgi Ilkov Terziev (; born on 18 April 1992) is a Bulgarian professional footballer currently playing as a defender for Ludogorets Razgrad.
Terziev started his football career in his home town at Sliven. He later moved to Naftex Burgas's youth system. Terziev eventually made his debut for the senior squad, aged 15, in a match against Haskovo on 8 March 2008. He ended the season with a total of nine appearances. In April 2008, he went on a trial at English club Newcastle United. He played with their youth team during the trial, eventually failing to impress.
In July 2009, Terziev signed a five-year deal with city rivals Chernomorets Burgas, as Naftex Burgas experienced financial troubles. On 29 August, he made his debut in a 3âÂÂ0 win against Sportist Svoge.
On 12 August 2013, Terziev signed with Ludogorets Razgrad on a four-year deal for a reported fee of â¬500,000. He was given the number 55 jersey.
Terziev made his debut in a 4âÂÂ0 home win against Slavia Sofia on 2 November, coming on as an 82nd-minute substitute for Cosmin MoÃÂi. On 14 November, he made his first start in a 2âÂÂ1 Bulgarian Cup win over Beroe Stara Zagora, playing full 90 minutes in the centre of defence. Terziev then made his full A Group debut for Ludogorets on 1 December, partnering Alexandre Barthe for the full 90 minutes in a 1âÂÂ0 away win against Beroe. On 12 December, he made his Europa League debut, playing the full 90 minutes in a 2âÂÂ1 win over Dinamo Zagreb at Maksimir.
Terziev scored his first goal in the Champions League group phase on 26 November 2014, grabbing a 2âÂÂ2 equalizer against Liverpool in the 88th minute, in an eventual 2âÂÂ2 draw.
On 12 February 2016 he extended his contract with Ludogorets until 2019, after his contract was to end in the summer of 2016.
On 15 February 2017, Terziev was loaned to Croatian club Hajduk Split until the end of the season.
On 7 October 2011, Terziev earned his first cap for Bulgaria in the 0âÂÂ3 away loss against Ukraine in an exhibition match.