| Heinz Fahnler | |
| Birth Date: | 10 August 1942 |
| Birth Place: | Vienna, Nazi Germany |
| Death Place: | Madrid, Spain |
| Years1: | 1976–1985 |
| League1: | Austrian Football Bundesliga |
| Role1: | Referee |
| Internationalyears1: | 1978–1985 |
| Confederation1: | FIFA listed |
| Internationalrole1: | Referee |
Heinz Fahnler (10 August 1942 – 17 September 2008) was an Austrian football referee.
Fahnler passed his referee exam in 1962, and in 1976 he became a referee in the Austrian Football Bundesliga. Two years later, Fahnler was appointed as a FIFA referee.
In 1984, Fahnler was selected as a referee for UEFA Euro 1984, where he officiated a group stage match between Portugal and Romania.[1]
Fahnler served as a UEFA delegate from 1990 until 2008, when he suffered a heart attack and died in Madrid before his role as a delegate for the UEFA Champions League match between Real Madrid and BATE Borisov.[2]