Lamine-Gueye Koné was born on 1 February, 1989 in France to Ivorian parents. He is a former French youth international having played at under-17, under-18, under-19, and under-20 level. Koné played with the latter team at the 2009 Mediterranean Games and the 2010 Toulon Tournament. He switched to the Ivory Coast national team and made his debut in a 4–1 loss to Cameroon in 2014 He is known as Lamine Koné, is a professional footballer who plays as a centre-back for EFL Championship club Sunderland and the Ivory Coast national team.
Koné began his career with local youth clubs in the Île-de-France region. In 2003, he joined second division club LB Châteauroux and, after three years in the club’s youth academy, was promoted to the senior team for the 2005–06 season. He made his professional debut on 27 April 2007 in a league match against Montpellier. He spent three more years at the club amassing over 70 appearances.
On 30 July 2010, Lamine joined Lorient on a four-year contract. The transfer fee was priced at €1 million. He signed a new three-year contract on 23 July 2013. He was signed as a replacement for Laurent Koscielny who had moved to Arsenal. He made 139 appearances, scoring seven goals over six seasons at Lorient.
On 27 January 2016, Koné signed for Premier League club Sunderland for an undisclosed fee until 2020. This followed a protracted transfer saga that had previously broken down twice, and had seen Lorient threaten Sunderland with legal action for initially pulling out of a deal.