| Position: | Power forward |
| Height M: | 2.05 |
| Birth Date: | 1993 3, df=y |
| Birth Place: | Lugano, Switzerland |
| Nationality: | Swiss / Serbian |
| Team: | SAM Basket |
| Number: | 22 |
| Draft Year: | 2015 |
| Career Start: | 2008 |
| Years1: | 2006–2009 |
| Team1: | BC79 Arbedo |
| Years2: | 2009–2010 |
| Team2: | SP Star Gordola |
| Years3: | 2010–2012 |
| Team3: | Lugano Tigers |
| Years4: | 2010–2011 |
| Team4: | →DDV Lugano |
| Years5: | 2012–2013 |
| Team5: | SAM Massagno |
| Years6: | 2013–2015 |
| Team6: | Fribourg Olympic |
| Years7: | 2015–2016 |
| Team7: | BBC Monthey |
| Years8: | 2016 |
| Team8: | Union Olimpija |
| Years9: | 2016–2019 |
| Team9: | Lions de Genève |
| Years10: | 2019–present |
| Team10: | SAM Massagno |
| Highlights: |
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Marko Mlađan (Anglicized: Marko Mladjan, Serbian: Марко Млађан; born 26 March 1993) is a Swiss-Serbian professional basketball player for SAM Basket. He is a 2.05m (06.73feet) tall forward.
On 21 September 2016 he signed a one-year deal with Slovenian club Union Olimpija.[1]
His older brother Dušan is also a professional basketball player.[2]