This is an attempt to list all the teams Celtic have played in competitive European fixtures.
Celtic Score First.
| Team | Year | Competition | Home | Away |
| Valencia CF | 1962/63 | Inter-Cities Fairs Cup | ||
| FC Basel | 1963/64 | Cup Winners Cup | ||
| Dinamo Zagreb | 1963/64 | Cup Winners Cup | ||
| Slovan Bratislava | 1963/64 | Cup Winners Cup | ||
| MTK Budapest | 1963/64 | Cup Winners Cup | ||
| Leixões SC | 1964/65 | Inter-Cities Fairs Cup | ||
| FC Barcelona | 1964/65 | Inter-Cities Fairs Cup | ||
| Go Ahead Deventer | 1965/66 | Cup Winners Cup | ||
| AGF (Aarhus) | 1965/66 | Cup Winners Cup | ||
| Dynamo Kyiv | 1965/66 | Cup Winners Cup | ||
| Liverpool | 1965/66 | Cup Winners Cup | ||
| FC Zürich | 1966/67 | European Cup | ||
| Nantes | 1966/67 | European Cup | ||
| Vojvodina Novi Sad | 1966/67 | European Cup | ||
| Dukla Prague | 1966/67 | European Cup | ||
| Internazionale | 1966/67 | European Cup Final | ||
| Dynamo Kyiv | 1967/68 | European Cup | ||
| AS Saint-Etienne | 1968/69 | European Cup | ||
| Red Star (Belgrade) | 1968/69 | European Cup | ||
| AC Milan | 1968/69 | European Cup | ||
| FC Basel | 1969/70 | European Cup | ||
| Benfica | 1969/70 | European Cup | ||
| Fiorentina | 1969/70 | European Cup | ||
| Leeds United | 1969/70 | European Cup | ||
| Feyenoord | 1969/70 | European Cup Final | ||
| KPV (Kokkola) | 1970/71 | European Cup | ||
| Waterford | 1970/71 | European Cup | ||
| Ajax | 1970/71 | European Cup | ||
| B1903 (Copenhagen) | 1971/72 | European Cup | ||
| Sliema Wanderers | 1971/72 | European Cup | ||
| Újpesti Dózsa | 1971/72 | European Cup | ||
| Internazionale | 1971/72 | European Cup | ||
| TPS (Turku) | 1973/74 | European Cup | ||
| Vejle BK | 1973/74 | European Cup | ||
| FC Basel | 1973/74 | European Cup | ||
| Atlético Madrid | 1973/74 | European Cup | ||
| Olympiakos | 1974/75 | European Cup | ||
| Valur | 1975/76 | Cup Winners Cup | ||
| Boavista | 1975/76 | Cup Winners Cup | ||
| FSV Zwickau | 1975/76 | Cup Winners Cup | ||
| Wisła Kraków | 1976/77 | UEFA Cup | ||
| Jeunesse Esch | 1977/78 | European Cup | ||
| Wacker Innsbruck | 1977/78 | European Cup | ||
| Partizani (Tirana) | 1979/80 | European Cup | ||
| Dundalk | 1979/80 | European Cup | ||
| Real Madrid | 1979/80 | European Cup | ||
| Diósgyőri VTK | 1980/81 | Cup Winners Cup | ||
| Politehnica Timișoara | 1980/81 | Cup Winners Cup | ||
| Juventus | 1981/82 | European Cup | ||
| Ajax | 1982/83 | European Cup | ||
| Real Sociedad | 1982/83 | European Cup | ||
| AGF (Aarhus) | 1983/84 | UEFA Cup | ||
| Sporting CP | 1983/84 | UEFA Cup | ||
| Nottingham Forest | 1983/84 | UEFA Cup | ||
| Gent | 1984/85 | Cup Winners Cup | ||
| Rapid Wien | 1984/85 | Cup Winners Cup | ||
| Atlético Madrid | 1985/86 | Cup Winners Cup | ||
| Shamrock Rovers | 1986/87 | European Cup | ||
| Dynamo Kyiv | 1986/87 | European Cup | ||
| Borussia Dortmund | 1987/88 | UEFA Cup | ||
| Budapest Honvéd | 1988/89 | European Cup | ||
| Werder Bremen | 1988/89 | European Cup | ||
| Partizan (Belgrade) | 1989/90 | Cup Winners Cup | ||
| Germinal Ekeren | 1991/92 | UEFA Cup | ||
| Neuchâtel Xamax | 1991/92 | UEFA Cup | ||
| 1. FC Köln | 1992/93 | UEFA Cup | ||
| Borussia Dortmund | 1992/93 | UEFA Cup | ||
| Young Boys Bern | 1993/94 | UEFA Cup | ||
| Sporting CP | 1993/94 | UEFA Cup | ||
| Dinamo Batumi | 1995/96 | Cup Winners Cup | ||
| Paris Saint-Germain | 1995/96 | Cup Winners Cup | ||
| FC Košice | 1996/97 | UEFA Cup | ||
| Hamburg SV | 1996/97 | UEFA Cup | ||
| Inter Cable-Tel | 1997/98 | UEFA Cup | ||
| Tirol Innsbruck | 1997/98 | UEFA Cup | ||
| Liverpool | 1997/98 | UEFA Cup | ||
| Croatia Zagreb | 1998/99 | Champions League | ||
| Vitória de Guimarães | 1998/99 | UEFA Cup | ||
| FC Zürich | 1998/99 | UEFA Cup | ||
| Cwmbran Town | 1999/00 | UEFA Cup | ||
| Hapoel Tel-Aviv | 1999/00 | UEFA Cup | ||
| Olympique Lyonnais | 1999/00 | UEFA Cup | ||
| Jeunesse Esch | 2000/01 | UEFA Cup | ||
| HJK Helsinki | 2000/01 | UEFA Cup | ||
| Girondins de Bordeaux | 2000/01 | UEFA Cup | ||
| Ajax | 2001/02 | Champions League | ||
| Juventus | 2001/02 | Champions League | ||
| FC Porto | 2001/02 | Champions League |
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| Rosenborg | 2001/02 | Champions League | ||
| Valencia | 2001/02 | UEFA Cup | ||
| FC Basel | 2002/03 | Champions League | ||
| FK Sūduva | 2002/03 | UEFA Cup | ||
| Blackburn Rovers | 2002/03 | UEFA Cup | ||
| Celta Vigo | 2002/03 | UEFA Cup | ||
| VfB Stuttgart | 2002/03 | UEFA Cup |
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| Liverpool | 2002/03 | UEFA Cup | ||
| Boavista | 2002/03 | UEFA Cup | ||
| FC Porto | 2002/03 | UEFA Cup Final |
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| FBK Kaunas | 2003/04 | Champions League | ||
| MTK Hungária | 2003/04 | Champions League | ||
| Bayern Munich | 2003/04 | Champions League | ||
| Olympique Lyonnais | 2003/04 | Champions League | ||
| Anderlecht | 2003/04 | Champions League | ||
| FK Teplice | 2003/04 | UEFA Cup | ||
| FC Barcelona | 2003/04 | UEFA Cup | ||
| Villarreal | 2003/04 | UEFA Cup | ||
| FC Barcelona | 2004/05 | Champions League | ||
| AC Milan | 2004/05 | Champions League | ||
| Shakhtar Donetsk | 2004/05 | Champions League | ||
| Artmedia Bratislava | 2005/06 | Champions League | ||
| Manchester United | 2006/07 | Champions League | ||
| Copenhagen | 2006/07 | Champions League | ||
| Benfica | 2006/07 | Champions League | ||
| AC Milan | 2006/07 | Champions League | ||
| Spartak Moscow | 2007/08 | Champions League | ||
| Shakhtar Donetsk | 2007/08 | Champions League | ||
| AC Milan | 2007/08 | Champions League | ||
| Benfica | 2007/08 | Champions League | ||
| FC Barcelona | 2007/08 | Champions League | ||
| Aalborg BK | 2008/09 | Champions League | ||
| Villarreal | 2008/09 | Champions League | ||
| Manchester United | 2008/09 | Champions League | ||
| Dynamo Moscow | 2009/10 | Champions League | ||
| Arsenal | 2009/10 | Champions League | ||
| Hapoel Tel-Aviv | 2009/10 | Europa League | ||
| Rapid Wien | 2009/10 | Europa League | ||
| Hamburg SV | 2009/10 | Europa League | ||
| SC Braga | 2010/11 | Champions League | ||
| FC Utrecht | 2010/11 | Europa League | ||
| FC Sion | 2011/12 | Europa League | ||
| Atlético Madrid | 2011/12 | Europa League | ||
| Udinese | 2011/12 | Europa League | ||
| Stade Rennais | 2011/12 | Europa League | ||
| HJK Helsinki | 2012/13 | Champions League | ||
| Helsingborgs IF | 2012/13 | Champions League | ||
| Benfica | 2012/13 | Champions League | ||
| Spartak Moscow | 2012/13 | Champions League | ||
| FC Barcelona | 2012/13 | Champions League | ||
| Juventus | 2012/13 | Champions League | ||
| Cliftonville | 2013/14 | Champions League | ||
| IF Elfsborg | 2013/14 | Champions League | ||
| Shakhter Karagandy | 2013/14 | Champions League | ||
| AC Milan | 2013/14 | Champions League |
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| FC Barcelona | 2013/14 | Champions League | ||
| Ajax | 2013/14 | Champions League |
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| KR Reykjavik | 2014/15 | Champions League | ||
| Legia Warsaw | 2014/15 | Champions League | ||
| NK Maribor | 2014/15 | Champions League | ||
| Red Bull Salzburg | 2014/15 | Europa League | ||
| Dinamo Zagreb | 2014/15 | Europa League | ||
| Astra Giurgiu | 2014/15 | Europa League | ||
| Internazionale | 2014/15 | Europa League | ||
| Stjarnan | 2015/16 | Champions League |
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| Qarabağ | 2015/16 | Champions League |
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| Malmö FF | 2015/16 | Champions League |
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| Ajax | 2015/16 | Europa League |
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| Fenerbahçe | 2015/16 | Europa League |
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| Molde | 2015/16 | Europa League |
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| Lincoln Red Imps | 2016/17 | Champions League |
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| Astana | 2016/17 | Champions League |
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| Hapoel Be'er Sheva | 2016/17 | Champions League |
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| FC Barcelona | 2016/17 | Champions League |
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| Manchester City | 2016/17 | Champions League |
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| Borussia Mönchengladbach | 2016/17 | Champions League |
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| Linfield | 2017/18 | Champions League |
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| Rosenborg | 2017/18 | Champions League |
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| Astana | 2017/18 | Champions League | ||
| Bayern Munich | 2017/18 | Champions League | ||
| Paris Saint-Germain | 2017/18 | Champions League | ||
| Anderlecht | 2017/18 | Champions League | ||
| Zenit St. Petersburg | 2017/18 | Europa League R32 | ||
| FC Alashkert | 2018/19 | Champions League Q1 | ||
| Rosenborg | 2018/19 | Champions League Q2 | ||
| AEK Athens | 2018/19 | Champions League Q3 | ||
| FK Suduva | 2018/19 | Europa League Play-Off | ||
| Red Bull Salzburg | 2018/19 | Europa League GS | ||
| RB Leipzig | 2018/19 | Europa League GS | ||
| Rosenborg | 2018/19 | Europa League GS | ||
| Valencia | 2018/19 | Europa League R32 | ||
| FK Sarajevo | 2019/20 | Champions League Q1 | ||
| Nomme Kalju | 2019/20 | Champions League Q2 | ||
| CFR Cluj | 2019/20 | Champions League Q3 | ||
| AIK | 2019/20 | Europa League Play-Off | ||
| Lazio | 2019/20 | Europa League | 2-1 | 2-1 |
| Rennes | 2019/20 | Europa League GS | 3-1 | 1-1 |
| CFR Cluj | 2019/20 | Europa League GS | 2-0 | 0-2 |
| FC Copenhagen | 2019/20 | Europa League R32 | 1-3 | 1-1 |