| Luxembourg Cup | |
| Year: | 1921–22 |
| Country: | Luxembourg |
| Winners: | Racing Club Luxembourg |
| Count: | 1 |
| Second: | Jeunesse Esch |
| Next Season: | 1922–23 |
The 1921–22 Luxembourg Cup was the first edition of Luxembourg's knockout football tournament. It began with the First Round on 4 September 1921 and concluded with the Final on 21 May 1922. Racing Club Luxembourg defeated Jeunesse Esch 2–0 in the Final.
The matches were played on 4 September 1921.
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Note 1: Match was won by forfeit.
The matches were played on 2 October 1921. Stade Dudelange received a bye into the Third Round.
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Note 2: Match was won by forfeit.
The Third Round matches were played on 6 November 1921. US Rumelange received a bye into the Fourth Round.
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Note 3: Match was won by forfeit.
The Fourth Round was played on 5 February 1922.
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The Semifinal was played on 2 April 1922. Racing Club Luxembourg received a bye to the Final.
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The Final was played on 21 May 1922.
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