Mario Šitum (born 4 April 1992) is a Croatian professional footballer who plays for Italian Serie B club Catanzaro.
Club career Šitum's senior career began when he was promoted from the Dinamo Academy to the first team in 2011, making his first-team debut in the same year in a 3–0 win over Czech side Sigma Olomouc. On 19 February 2011 he started and played 75 minutes in a friendly against NK Istra 1961, which Dinamo won 4–3 at the newly renovated Stadion Aldo Drosina in Pula. His first league appearance came on 26 February 2011 in Dinamo's game against Karlovac. Šitum started the match and scored in the 12th minute, a goal which turned out to be the game winner. Šitum started on a high note in the 2011–12 season, scoring the fourth goal in a 5–0 win against NK Karlovac, and then scoring twice in a 4–0 win against NK Osijek. He scored again in the next round, netting the only goal in a win against NK Lučko.
On 17 July 2014, Šitum joined Italian Serie B club Spezia on loan after a 2+1⁄2-year loan spell with NK Lokomotiva.
On 17 June 2017, he was loaned to Polish side Lech Poznań.
On 1 September 2022, Šitum signed with Catanzaro.
