Igor Nenezić (born 23 March 1984) is a Slovenian professional footballer who plays for FC Koper as a goalkeeper.
Nenezić was born in Kranj and played football with NK Triglav Kranj before starting his professional career with NK Primorje. After spending five years with Triglav Kranj and five years with Primorje, Nenezić transferred to FC Koper. Nenezić moved abroad for the first time in his career in 2014 to play for Iranian club Rah Ahan.
On 11 January 2017, he returned to FC Koper.
Nenezić played for youth selections of Slovenian national football team, and was also called up several times for the senior team by Matjaž Kek, during Slovenia's EURO 2008 qualifying campaign as a replacement goalkeeper, but failed to make an appearance.
- Slovenian First League: 2009–10
- Slovenian Supercup: 2010