Nemanja Bilbija (Serbian Cyrillic: Немања Билбија, pronounced [němaɲa bîlbija]; born 2 November 1990) is a Bosnian professional footballer who plays as a forward for Bosnian Premier League club Zrinjski Mostar.

A former youth international for Bosnia and Herzegovina, Bilbija made his senior international debut in 2018, earning 6 caps until 2023. He is the Bosnian Premier League's record goalscorer.

Bilbija started his career with his hometown club Borac Banja Luka, whose academy he joined in 2000. He made his professional debut on 8 November 2008 against Posušje at the age of 18. He scored his first goal as a professional against Orašje on 7 March 2009.

On 29 January 2010 Bilbija moved to Serbian side Vojvodina signing a four-year contract. During his time at the club, he was sent on two loans to his former club, Borac Banja Luka.

In August 2013, Bilbija signed a two-year deal with Sarajevo.

In July 2015, he joined Split on a two-year contract.

On 11 February 2016, Bilbija signed with Zrinjski Mostar on free transfer. He scored on his competitive debut for the club against his former team Sarajevo on 28 February.

In August 2017, Bilbija signed a new two-year deal with Zrinjski Mostar. In a game against Vitez on 26 August, Bilbija scored his first hat-trick for the team. A year later, he scored four goals in a convincing triumph over Zvijezda 09.