Ján Kozák
| Date of birth | 17 April 1954 |
| Place of birth | Motejovce nad Hornádom |
| Nationality | Czech |
| Weight | 78 kg |
| Height | 1.83 m |
| Position | Midfielder |
International stats
| Season | Team | Competition | Apps | Subs | Goals | Y | R |
|---|---|---|---|---|---|---|---|
| 1974-75 | Czechoslovakia | Under-23 | 1 |
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| 1975-76 | Czechoslovakia | B International | 1 | ||||
| 1975-76 | Czechoslovakia | B v Under-23 | 1 |
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| 1975-76 | Czechoslovakia | UEFA Under-23 | 1 | ||||
| 1975-76 | Czechoslovakia | Under-21 | 1 |
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| 1975-76 | Czechoslovakia | Under-23 | 1 |
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| 1976-77 | Czechoslovakia | FIFA World Cup | 1 |
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| 1976-77 | Czechoslovakia | International Friendly | 3 | 2 |
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| 1977-78 | Czechoslovakia | FIFA World Cup | 1 |
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| 1977-78 | Czechoslovakia | International Friendly | 4 | 2 |
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| 1978-79 | Czechoslovakia | International Friendly | 5 | 1 |
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| 1978-79 | Czechoslovakia | UEFA European Championship | 2 | 1 |
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| 1979-80 | Czechoslovakia | International Friendly | 9 | 2 |
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| 1979-80 | Czechoslovakia | UEFA European Championship | 7 | 2 |
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| 1980-81 | Czechoslovakia | * | 1 | ||||
| 1980-81 | Czechoslovakia | FIFA World Cup | 4 | 3 |
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| 1980-81 | Czechoslovakia | International Friendly | 5 | ||||
| 1981-82 | Czechoslovakia | FIFA World Cup | 4 | 1 |
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| 1981-82 | Czechoslovakia | International Friendly | 3 | 2 |
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| 1984-85 | Czechoslovakia | International Friendly | 1 |
Please note: Career stats are based on performances in the Premier and Football Leagues and (in most cases all) internationals.
International matches
| Date | Match | Result | Competition | Round | |
|---|---|---|---|---|---|
| 13 Nov 1974 | Poland v Czechoslovakia | L | 1-0 | U23 | |
| 03 Sep 1975 | East Germany v Czechoslovakia | L | 2-0 | U21 | |
| 24 Sep 1975 | Switzerland v Czechoslovakia | W | 1-4 | B v U23 | |
| 14 Oct 1975 | Hungary v Czechoslovakia | W | 0-3 | U23 | |
| 28 Oct 1975 | Czechoslovakia v England | D | 1-1 | UEFA Under-23 | Group |
| 06 Apr 1976 | East Germany v Czechoslovakia | W | 0-1 | B INTER | |
| 06 Oct 1976 | Czechoslovakia v Romania | W | 3-2 | International Friendly | |
| 13 Oct 1976 | Czechoslovakia v Scotland | W | 2-0 | FIFA World Cup | Group 7 |
| 17 Nov 1976 | West Germany v Czechoslovakia | L | 2-0 | International Friendly | |
| 20 Apr 1977 | Hungary v Czechoslovakia | L | 2-0 | International Friendly | |
| 24 May 1977 | Switzerland v Czechoslovakia | L | 1-0 | International Friendly | |
| 01 Jun 1977 | Czechoslovakia v Austria | D | 0-0 | International Friendly | |
| 09 Nov 1977 | Czechoslovakia v Hungary | D | 1-1 | International Friendly | |
| 16 Nov 1977 | Czechoslovakia v Wales | W | 1-0 | FIFA World Cup | Group 7 |
| 22 Mar 1978 | Greece v Czechoslovakia | W | 0-1 | International Friendly | |
| 15 Apr 1978 | Hungary v Czechoslovakia | L | 2-1 | International Friendly | |
| 23 Apr 1978 | Czechoslovakia v Bulgaria | D | 0-0 | International Friendly | |
| 17 May 1978 | Brazil v Czechoslovakia | L | 2-0 | International Friendly | |
| 21 May 1978 | Sweden v Czechoslovakia | D | 0-0 | International Friendly | |
| 06 Sep 1978 | East Germany v Czechoslovakia | L | 2-1 | International Friendly | |
| 04 Oct 1978 | Sweden v Czechoslovakia | W | 1-3 | UEFA European Championship | Group 5 |
| 11 Oct 1978 | Czechoslovakia v West Germany | L | 3-4 | International Friendly | |
| 08 Nov 1978 | Czechoslovakia v Italy | W | 3-0 | International Friendly | |
| 29 Nov 1978 | England v Czechoslovakia | L | 1-0 | International Friendly | |
| 14 Mar 1979 | Czechoslovakia v Spain | W | 1-0 | International Friendly | |
| 04 Apr 1979 | Czechoslovakia v France | W | 2-0 | UEFA European Championship | Group 5 |
| 01 May 1979 | Luxembourg v Czechoslovakia | W | 0-3 | UEFA European Championship | Group 5 |
| 05 May 1979 | USSR v Czechoslovakia | L | 3-0 | International Friendly | |
| 12 Sep 1979 | Hungary v Czechoslovakia | L | 2-1 | International Friendly | |
| 26 Sep 1979 | Czechoslovakia v Republic of Ireland | W | 4-1 | International Friendly | |
| 10 Oct 1979 | Czechoslovakia v Sweden | W | 4-1 | UEFA European Championship | Group 5 |
| 17 Nov 1979 | France v Czechoslovakia | L | 2-1 | UEFA European Championship | Group 5 |
| 24 Nov 1979 | Czechoslovakia v Luxembourg | W | 4-0 | UEFA European Championship | Group 5 |
| 27 Jan 1980 | Australia v Czechoslovakia | W | 0-4 | International Friendly | |
| 03 Feb 1980 | Australia v Czechoslovakia | W | 0-5 | International Friendly | |
| 09 Feb 1980 | Australia v Czechoslovakia | D | 2-2 | International Friendly | |
| 26 Mar 1980 | Switzerland v Czechoslovakia | L | 2-0 | International Friendly | |
| 16 Apr 1980 | Spain v Czechoslovakia | D | 2-2 | International Friendly | |
| 30 Apr 1980 | Czechoslovakia v Hungary | W | 1-0 | International Friendly | |
| 18 May 1980 | Czechoslovakia v Romania | W | 2-1 | International Friendly | |
| 11 Jun 1980 | Czechoslovakia v Germany | L | 0-1 | UEFA European Championship | Finals Group A |
| 14 Jun 1980 | Czechoslovakia v Greece | W | 3-1 | UEFA European Championship | Finals Group A |
| 17 Jun 1980 | Czechoslovakia v Netherlands | D | 1-1 | UEFA European Championship | Finals Group A |
| 21 Jun 1980 | Italy v Czechoslovakia | W | 1-1 (9-8) | UEFA European Championship | Finals 3rd place |
| 24 Sep 1980 | Poland v Czechoslovakia | D | 1-1 | International Friendly | |
| 08 Oct 1980 | Czechoslovakia v East Germany | L | 0-1 | International Friendly | |
| 15 Oct 1980 | Argentina v Czechoslovakia | L | 1-0 | International Friendly | |
| 19 Nov 1980 | Wales v Czechoslovakia | L | 1-0 | FIFA World Cup | Group 3 |
| 03 Dec 1980 | Czechoslovakia v Turkey | W | 2-0 | FIFA World Cup | Group 3 |
| 25 Jan 1981 | Bolivia v Czechoslovakia | L | 2-1 | * | |
| 24 Mar 1981 | Czechoslovakia v Switzerland | L | 0-1 | International Friendly | |
| 15 Apr 1981 | Turkey v Czechoslovakia | W | 0-3 | FIFA World Cup | Group 3 |
| 29 Apr 1981 | Republic of Ireland v Czechoslovakia | L | 3-1 | International Friendly | |
| 27 May 1981 | Czechoslovakia v Iceland | W | 6-1 | FIFA World Cup | Group 3 |
| 18 Aug 1981 | Czechoslovakia v EUROPE XI | W | 4-0 | International Friendly | |
| 09 Sep 1981 | Czechoslovakia v Wales | W | 2-0 | FIFA World Cup | Group 3 |
| 23 Sep 1981 | Iceland v Czechoslovakia | D | 1-1 | FIFA World Cup | Group 3 |
| 28 Oct 1981 | USSR v Czechoslovakia | L | 2-0 | FIFA World Cup | Group 3 |
| 29 Nov 1981 | Czechoslovakia v USSR | D | 1-1 | FIFA World Cup | Group 3 |
| 03 Mar 1982 | Brazil v Czechoslovakia | D | 1-1 | International Friendly | |
| 09 Mar 1982 | Argentina v Czechoslovakia | D | 0-0 | International Friendly | |
| 05 Sep 1984 | Greece v Czechoslovakia | W | 0-1 | International Friendly | |
Please note: Match history is complete for the Premier and Football Leagues and (in most cases all) internationals.