Müjdat Gürsu (13 September 1971 in Silivri, Istanbul – 21 June 1994 in Antalya) was a Turkish footballer.
He played for Samsunspor.
Gürsu started his professional career with Samsunspor during the 1992-93 season, and won the Turkish Second League (now Turkish Bank Asya First League) in his first year with the club.
In his second season, they finished Turkish Super League 5th and won Balkan Cup with his team-mates Cenk Isler, Ahmet Yildirim, Ertugrul Saglam and Daniel Timofte.
He played as Ronald Koeman and his nickname was Koeman MüjdatHe played for Turkey U21 alongside Rüstü Reçber, Alpay Özalan, Arif Erdem, Ergün Penbe, Hakan Sükür, Sergen Yalçin, Abdullah Ercan and Emre Asik.
He died in a traffic accident in Antalya.
His nephew Müjdat Gürsu (had same name with him) also died in another traffic accident in 2009