Marcel Petran (born 16 September 1986) is a Slovak professional ice hockey defenceman. He is currently a free agent.
Petran made his professional debut for MHk 32 Liptovský Mikuláš in 2006. He later played in the MOL Liga for Újpesti TE, the Kazakhstan Hockey Championship for Arlan Kokshetau and the Elite Ice Hockey League for the Edinburgh Capitals before returning to Slovakia on August 9, 2015 with HC '05 Banská Bystrica.
On June 24, 2016, Petran moved to the Czech Republic to sign for AZ Havířov of the WSM Liga. On October 8, 2017, Petran had a loan spell with PSG Berani Zlín of the Czech Extraliga, playing twenty games and registering one assist. He would return to Slovakia two months later to sign for HK Poprad.
Petran made a return to Liptovský Mikuláš after eight years away on July 18. 2019. He then moved to HKM Zvolen on February 10, 2020 for the remainder of the season though the season would be prematurely concluded due to the COVID-19 pandemic. He returned to Liptovský Mikuláš on August 5, 2020.