| Rudolf Amelunxen | |
| Order1: | Minister President of North Rhine-Westphalia |
| Term Start1: | 23 August 1946 |
| Term End1: | 17 June 1947 |
| Predecessor1: | Position established |
| Successor1: | Karl Arnold |
| Order2: | Regierungspräsident of North Rhine-Westphalia |
| Term Start2: | 1926 |
| Term End2: | 1932 |
| Birth Date: | 30 June 1888 |
| Birth Place: | Cologne, German Empire |
| Death Place: | Grafschaft Abbey, North Rhine-Westphalia, West Germany |
| Party: | Zentrum |
Rudolf Amelunxen (30 June 1888 - 21 April 1969) was a German politician of the Zentrum and the 1st Minister President of North Rhine-Westphalia between 23 August 1946 and 17 June 1947. He was born in Cologne and died on 21 April 1969 in Grafschaft Abbey, North Rhine-Westphalia.
From 1926 to 1932 he was the regional president of the Westphalian Münster Region, however, furloughed after the Putsch in Prussia. On 5 July 1945, the British military government appointed him upper president of the Province of Westphalia, an office he held until Westphalia merged in North Rhine-Westphalia in 1946.