Issiaga Sylla (born 1 January 1994) is a Guinean professional footballer who plays as a left-back for Ligue 1 club Montpellier and the Guinea national team.

He made his debut for Toulouse on 4 May 2013, starting as a left midfielder in a 4–2 win over Lille.

[citation needed] Sylla was loaned out to promoted side Gazélec Ajaccio for the 2015–16 Ligue 1 season.

[2] On 31 January 2023, Sylla signed for Ligue 1 club Montpellier.

[3] Sylla made his international debut for the Guinea national team at 7 September 2011 against Venezuela.