| Karl Mollweide | |
| Birth Date: | 3 February 1774 |
| Birth Place: | Wolfenbüttel, Lower Saxony, Germany |
| Birth Name: | Karl Brandan Mollweide |
| Death Place: | Leipzig, Saxony, Germany |
| Nationality: | German |
| Occupation: | Mathematician, astronomer |
Karl Brandan Mollweide (3 February 1774 - 10 March 1825) was a German mathematician[1] and astronomer who taught in Halle and Leipzig. In trigonometry, he rediscovered the formula now known as Mollweide's formula. He invented a map projection called the Mollweide projection.