Adam Marušić (Serbian Cyrillic: Адам Марушић, pronounced [ǎdam mǎruʃitɕ]; born 17 October 1992) is a Montenegrin professional footballer who plays as a full-back for Serie A club Lazio and the Montenegro national team.

[7] In Lazio's financial report ending 31 December 2021, it was confirmed that Marušić had extended his contract with the club until 2024.

[8] Although Marušić was born in Belgrade, he accepted an invitation to play for the Montenegro national team.

He made his debut for Montenegro on 27 March 2015, in a match against Russia which was suspended after Russian goalkeeper Igor Akinfeev was struck in the head by a flare.

[9][10] On 1 September 2021, Marušić scored his first international goal in a 2022 FIFA World Cup qualifying draw against Turkey.