Nikola Jambor (born 25 September 1995) is a Croatian professional footballer who plays as a defensive midfielder for Kazakhstan First League club Altai.
On 28 June 2021, he joined Moreirense on a three-year contract.
On 1 July 2023, Jambor joined Saudi Arabian club Hajer.
On 30 September 2024, Jambor joined a Malaysia Super League club, Selangor.