Killian van Mil is a Dutch winger who primarily acts as a left winger. Through clubs such as FC 's-Gravenzande, DHC, Westlandia and ADO Den Haag, Killian joined VV Katwijk in July 2020. VV Katwijk is active in the Dutch Second Division. With Katwijk, he advanced to the last 16 in the KNVB Cup in 2023, partially due to a goal from Killian. In July 2023, Killian moved to the Danish Akademisk BK.