|Full name||Vasilis Konstantinidis|
|Date of birth||21 April 1986|
|Place of birth||Melbourne, Australia|
|Height||1.91 m (6 ft 3 in)|
|* Senior club appearances and goals counted for the domestic league only|
Billy Konstantinidis, also known as Vasilis Konstantinidis (Greek: Βασίλης Κωνσταντινίδης, born 21 April 1986) is a Greek-Australian footballer who plays as a forward for NPL Victoria club South Melbourne FC.
He signed for Aris in January 2015 making his debut and scoring against Aris Akropotamos F.C.scoring in the 88th minute. He scored his second goal a 90th-minute winner against Kavala in only his 3rd game and 2nd game at Kleanthis Vikelidis stadium. Konstandinidis plays friendly games for Melbourne City every year. Konstandinidis has been subject of a league interest from the Central Coast Mariners Adelaide United and Melbourne City but a move never materialized. 
- "Billy Konstantinidis". au.fourfourtwo.com. Retrieved 4 May 2012.
- "Billy Konstantinidis". worldfootball.net. Retrieved 4 May 2012.
- "Billy Konstantinidis". soccerway.com. Retrieved 4 May 2012.
- Ποδοσφαιριστής της Βέροιας ο Κωνσταντινίδης
- "Κωνσταντινίδης: "Το ελληνικό ποδόσφαιρο δοκιμάζει τις αντοχές σου!"". www.sport24.gr. Retrieved 16 September 2017.
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