Gylfi Thor Orrason - Football referee
| friendly | ||||
| Ireland | Croatia | 2004-11-16 | 1 - 0 | |
| Ireland | Paraguay | 1999-02-10 | 2 - 0 | |
| Euro 2004 u21 qualifiers | ||||
| Northern Ireland u21 | Armenia u21 | 2003-09-09 | 3 - 1 | |
| UEFA Cup 2003 - 2004 | ||||
| 1st round | Brøndby | Viktoria Žižkov | 2003-09-24 | 1 - 0 |
| qualifiers | Shelbourne | Olimpija | 2003-08-28 | 2 - 3 |
| Intertoto 2003 | ||||
| 2nd round | Wolfsburg | Marek Dupniza | 2003-07-12 | 2 - 0 |
| Euro 2004 qualifiers | ||||
| Hungary | San Marino | 2002-10-16 | 3 - 0 | |
| Champions League 2002-2003 | ||||
| qualifiers 1st round | Barry | Skonto | 2002-07-24 | 0 - 1 |
| Intertoto 2002 | ||||
| 2nd round | Dinaburg | Krylya Sovetov Samara | 2002-07-13 | 0 - 1 |
| UEFA Cup 2001 - 2002 | ||||
| 1st round | St Gallen | Steaua | 2001-09-20 | 2 - 1 |
| qualifiers | Dinaburg | Osijek | 2001-08-09 | 2 - 1 |
| WC 2002 qualifiers - Europe | ||||
| San Marino | Scotland | 2000-10-07 | 0 - 2 | |
| Intertoto 2000 | ||||
| 3rd round | Zenit | Tatabanya | 2000-07-15 | 2 - 1 |
| UEFA Cup 1999 - 2000 | ||||
| 1st round | Brøndby | Amica Wronki | 1999-09-30 | 4 - 3 |
| Euro 2000 u21 qualifiers | ||||
| Germany u21 | Northern Ireland u21 | 1999-09-07 | 1 - 0 | |
| Austria u21 | Israel u21 | 1998-09-04 | 0 - 1 | |
| Euro 2000 qualifiers | ||||
| Liechtenstein | Portugal | 1999-03-31 | 0 - 5 | |
| European Cup2 1998 - 1999 | ||||
| 1st round | Amica Wronki | Heerenveen | 1998-10-01 | 0 - 1 |
| UEFA Cup 1997 - 1998 | ||||
| 1st round | Skonto | Real Valladoid | 1997-09-30 | 1 - 0 |
| WC 1998 qualifiers - Europe | ||||
| Luxembourg | Cyprus | 1997-09-07 | 1 - 3 | |
| Finland | Switzerland | 1996-10-06 | 2 - 3 | |
| European Cup2 1996 - 1997 | ||||
| 1st round | MyPa | Liverpool | 1996-09-12 | 0 - 1 |
| UEFA Cup 1996 - 1997 | ||||
| qualifiers | OB | Sliema Wanderers | 1996-08-20 | 7 - 1 |
| European Cup2 1995 - 1996 | ||||
| 1st round | Celtic | Dinamo Batumi | 1995-09-28 | 4 - 0 |
| Euro 1996 qualifiers | ||||
| Wales | Moldova | 1995-09-06 | 1 - 0 | |
| Netherlands | Malta | 1995-03-29 | 4 - 0 | |
| Finland | Faroe Islands | 1994-11-16 | 5 - 0 | |
| European Cup2 1994 - 1995 | ||||
| 1st round | Brøndby | Tirana | 1994-09-15 | 3 - 0 |
| UEFA Cup 1993 - 1994 | ||||
| 2nd round | Kuusysi Lahti | Brøndby | 1993-10-20 | 1 - 4 |
| Champions League 1993-1994 | ||||
| qualifiers | Cwmbran Town | Cork | 1993-08-18 | 3 - 2 |
| Euro 1994 u21 qualifiers | ||||
| Ireland u21 | Germany u21 | 1993-03-09 | 0 - 1 | |
| UEFA Cup 1992 - 1993 | ||||
| 1st round | Derry | Vitesse | 1992-09-29 | 1 - 2 |
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