The 1947–48 Dublin and Belfast Inter-City Cup was the 7th edition of the Dublin and Belfast Inter-City Cup, an association football cup competition featuring teams from Northern Ireland and the Republic of Ireland.
Teams from outside Dublin and Belfast competed, but played their home matches in either Dublin (if based in the Republic of Ireland) or Belfast (if based in Northern Ireland).
Belfast Celtic and Distillery ended up sharing the title. Celtic won the first leg 2–1, and a date could not be found for the second leg, so both teams decided to share the trophy.
Results
First round
Teams that were at home in the first leg listed on the left.
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1Despite losing their ties, Shelbourne progressed to the quarter-finals as "best losers".
2Darkness prevented Shamrock Rovers and Distillery from playing extra time in their second leg, so it was decided that both teams would advance to the quarter-finals.
Quarter-finals
Teams that were at home in the first leg listed on the left.
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Playoff
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Semi-finals
Teams that were at home in the first leg listed on the left.
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Final
Belfast Celtic and Distillery shared the trophy.