Union Sportive de Douala is a Cameroonian professional football club based in Douala, that competes in the Elite One.
| African Cup of Champions Clubs / CAF Champions League | 37 |
| CAF Confederation Cup | 25 |
| CAF Cup Winners' Cup | 19 |
| 1970 | African Cup of Champions Clubs | R1 | Secteur 6 | 2–0 | 1–2 | 3–2 | |
| R2 | Modèle Lomé | 0–0 | 1–1 | 1–1 | |||
| 1977 | African Cup of Champions Clubs | R1 | Silures | 2–0 | 1–0 | 3–0 | |
| R2 | Lomé I | 1–1 | 1–1 | 2–2(p) | |||
| 1979 | African Cup of Champions Clubs | R2 | MC Alger | 0–2 | 2–0 | (p)2–2 | |
| QF | Matlama FC | 3–1 | 2–0 | 5–1 | |||
| SF | CS Imana | 2–1 | 1–0 | 3–1 | |||
| Final | Hearts of Oak | 0–1 | 1–0 | (p)1–1 | |||
| 1980 | African Cup of Champions Clubs | R2 | Simba | 4–2 | 1–0 | 5–2 | |
| QF | ASF Police | 3–0 | 2–3 | 5–3 | |||
| SF | AS Bilima | 1–0 | 1–5 | 2–5 | |||
| 1981 | CAF Cup Winners' Cup | R1 | Nacional Benguela | 7–1 | 6–0 | 13–1 | |
| R2 | FC 105 Libreville | 3–1 | 1–0 | 4–1 | |||
| QF | EP Sétif | 5–0 | 1–1 | 6–1 | |||
| SF | Sekondi Hasaacas | 2–1 | 2–3 | 4–4 | |||
| Final | Stationery Stores | 0–0 | 2–1 | 2–1 | |||
| 1982 | CAF Cup Winners' Cup | R1 | CD Elá Nguema | 2–0 | 6–1 | 8–1 | |
| R2 | Djoliba AC | 0–1 | 0–3 | 0–4 | |||
| 1986 | CAF Cup Winners' Cup | R1 | Mighty Barrolle | 0–0 | 1–2 | 1–2 | |
| 1998 | CAF Cup Winners' Cup | R1 | Bye | ||||
| R2 | Wydad Casablanca | 1–0 | 0–4 | 1–4 | |||
| 1991 | African Cup of Champions Clubs | R2 | Vital'O | 2–0 | 0–0 | 2–0 | |
| QF | Nkana Red Devils | 2–1 | 0–1 | 2–2 | |||
| 2005 | CAF Confederation Cup | R1 | SC Cilu | 1–2 | 1–0 | 2–2 | |
| 1R16 | Enugu Rangers | 1–3 | 1–0 | 2–3 | |||
| 2007 | CAF Confederation Cup | R1 | Têxtil do Punguè | 3–0 | 3–0 | 6–0 | |
| 1R16 | Kwara United | 1–1 | 2–3 | 3–4 | |||
| 2008 | CAF Champions League | PR | ASKO Kara | 0–1 | 1–3 | 1–4 | |
| 2009 | CAF Confederation Cup | R1 | Tourbillon FC | 2–1 | 3–2 | 5–3 | |
| 1R16 | Santos de Angola | 1–1 | 0–4 | 1–5 | |||
| 2010 | CAF Champions League | PR | w/o | ||||
| R1 | ES Sétif | 0–2 | 0–5 | 0–7 | |||
| 2012 | CAF Confederation Cup | PR | FC Kallon | 1–0 | 0–2 | 1–2 | |
| 2013 | CAF Champions League | PR | LISCR FC | 2–1 | 1–0 | 3–1 | |
| R1 | FUS Rabat | 1–0 | 0–3 | 1–3 | |||
| 2014 | CAF Confederation Cup | PR | ASLAD de Moundou | 3–0 | 1–2 | 4–2 | |
| R1 | Warri Wolves | 2–3 | 1–1 | 3–4 | |||
Notes:
Union Douala were due to play the winner of the preliminary round tie between TP UCSA de Bangui and AS Vita Club, but following the disqualification of TP UCSA de Bangui due to their federation's debt with CAF and AS Vita Club's withdrawal, they received a bye into the second round.
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