Mikki Avelon Leander van Sas (born 29 February 2004) is a Dutch professional footballer who plays for club Wycombe Wanderers as a goalkeeper.
Van Sas played at his hometown club USV Hercule until 2016. He then came through the academy at FC Utrecht. Van Sas joined Manchester City in 2020, as a 16 year-old. Without making a first team appearance he joined Feyenoord in his homeland in September 2023.
On 2 September 2024, van Sas moved on a season-long loan to Vitesse.
On 28 June 2025, van Sas signed for English League One side Wycombe Wanderers for an undisclosed fee.
In 2022, Van Sas was called up to the Dutch U19 side. He made his debut on the 21 September 2022 against Moldova under-19s.
Feyenoord