| Blaž Trupej | |
| Birth Date: | 1972 2, df=yes |
| Birth Place: | Ljubljana, Slovenia |
| Plays: | Left-handed |
| Careerprizemoney: | $10,112 |
| Singlesrecord: | 6–7 |
| Singlestitles: | 1 |
| Highestsinglesranking: | No. 571 (18 August 1997) |
| Doublesrecord: | 4–3 |
| Doublestitles: | 2 ITF |
| Highestdoublesranking: | No. 413 (25 June 1990) |
Blaž Trupej (born 2 February 1972) is a Slovenian tennis player.
Trupej has a career high ATP singles ranking of No. 571 achieved on 18 August 1997. He also has a career high ATP doubles ranking of 413 achieved on 25 June 1990.
Trupej represented Slovenia at the Davis Cup, where he had a W/L record of 10–10.