Dutch National Championships
Den Bosch (21) & Vlaardingen (23) & Rotterdam (28) & Amsterdam (30)
March 21-30, 1981
Preliminaries
| 1981-03-21 | 71kg | Charlie Burleson | Rexford Kortram | PTS |
| 1981-03-21 | 71kg | Henk van der Tak | Wim Thijssen | PTS |
Quarterfinals
| 1981-03-21 | 63,5kg | Eric Huigenvoort | Leo Hooft | KO 1 |
| 1981-03-23 | 63,5kg | Iwan Menes | Frans Hak | RSC 2 |
| 1981-03-21 | 67kg | Hanafi Hadi | Jacob Blanket | DQ 2 |
| 1981-03-21 | 67kg | Leo van der Aa | Puck Tuk | PTS |
| 1981-03-23 | 67kg | Gerrie Sloof | John Weerman | PTS |
| 1981-03-23 | 67kg | Willy van Eemeren | Robbie Manvis | DQ 2 |
| 1981-03-23 | 71kg | John van Elteren | Dick Zwiers | RSC 1 |
| 1981-03-23 | 71kg | Michael Asma | Ben de Jong | PTS |
| 1981-03-23 | 71kg | John Vos | Hubert Eren | AB 3 |
| 1981-03-23 | 71kg | Henk van der Tak | Charlie Burleson | DQ 3 |
| 1981-03-21 | 75kg | Rene van der IJssel | Theo Huiveneers | RSC 3 |
| 1981-03-21 | 75kg | Wil Lodewijks | Jos van Agtmaal | KO 3 |
| 1981-03-23 | 75kg | Jan Lefeber | Jan Masseurs | PTS |
| 1981-03-23 | 75kg | Jan de Heer | Ron Nagtegaal | PTS |
| 1981-03-21 | 81kg | Wim Bok | Abel de Vries | PTS |
| 1981-03-23 | 81kg | Rene Giljou | Bill Echter | RSC 3 |
| 1981-03-21 | 91kg | Taeke Roukema | Gerard van Luyn | KO 1 |
Semifinals
| 1981-03-21 | 54kg | Fons Delmotte | Max Noya | PTS |
| 1981-03-21 | 57kg | Jef Zwakhalen | Calvin Ducray | PTS |
| 1981-03-23 | 57kg | Lahcen Oumghar | Louis van Beijnen | PTS |
| 1981-03-21 | 60kg | Piet Xhofleer | Hennie de Rijk | PTS |
| 1981-03-23 | 60kg | Rocky Elfallah | Robby van Rijsinge | AB 2 |
| 1981-03-28 | 63,5kg | Reggy Saro | Tira Bachaou | PTS |
| 1981-03-28 | 63,5kg | Eric Huigenvoort | Iwan Menes | PTS |
| 1981-03-28 | 67kg | Gerrie Sloof | Willy van Eemeren | PTS |
| 1981-03-28 | 67kg | Hanafi Hadi | Leo van der Aa | PTS |
| 1981-03-28 | 71kg | John van Elteren | Michael Asma | WO. |
| 1981-03-28 | 71kg | Henk van der Tak | John Vos | PTS |
| 1981-03-28 | 75kg | Jan Lefeber | Jan de Heer | PTS |
| 1981-03-28 | 75kg | Rene van der IJssel | Wil Lodewijks | PTS |
| 1981-03-28 | 81kg | Ruben Le Cruz | Mustafa Cifi | RSC 3 |
| 1981-03-28 | 81kg | Rene Giljou | Wim Bok | RSC 3 |
| 1981-03-28 | 91kg | Gerrie van Haan | Pieter Tjalsma | RSC 3 |
| 1981-03-28 | 91kg | Andre Oetelaar | Taeke Roukema | RSC 1 |
Finals
| 1981-03-30 | 54kg | Said Kwyasse | Fons Delmotte | RSC 1 |
| 1981-03-30 | 57kg | Lahcen Oumghar | Jef Zwakhalen | PTS |
| 1981-03-30 | 60kg | Rocky Elfallah | Piet Xhofleer | PTS |
| 1981-03-30 | 63,5kg | Eric Huigenvoort | Reggy Saro | DQ 1 |
| 1981-03-30 | 67kg | Gerrie Sloof | Hanafi Hadi | PTS |
| 1981-04-21 | 71kg | John van Elteren | Henk van der Tak | PTS |
| 1981-03-30 | 75kg | Jan Lefeber | Rene van der IJssel | PTS |
| 1981-03-30 | 81kg | Ruben Le Cruz | Rene Giljou | AB 3 |
| 1981-03-30 | 91kg | Andre Oetelaar | Gerrie van Haan | PTS |
| 1981-03-30 | +91kg | Ben Tiben | Dimitrovic (FRG) | PTS |
71kg final was later in Zonnehuis