Mili Poljičak (born 13 July 2004) is a Croatian professional tennis player.

[2] Partnering with Admir Kalender, the pair defeated second seeds Pablo Cuevas and Fabrice Martin in the first round in straight sets but lost in the next round to eventual champions Fernando Romboli and David Vega Hernández in three sets.

[3][4] At the 2022 Zagreb Open he reached his maiden Challenger final as a wildcard where he lost to Filip Misolic.

[5] At the same tournament also as a wildcard he reached the semifinals in doubles partnering Antonio Šančić.

[1] At 18 years of age, having won the boys' singles the previous year, [7] he received a wildcard for the qualifying draw of the 2023 Wimbledon Championships to make his Grand Slam qualifying debut.