| Arthur Cyprian Harper | |
| Birth Date: | 1866 |
| Birth Place: | Columbus, Mississippi |
| Death Date: | December 25, 1948 |
| Death Place: | Palmdale, California |
| Order: | 26th |
| Office: | Mayor of Los Angeles |
| Term Start: | December 13, 1906 |
| Term End: | March 11, 1909 |
| Predecessor: | Owen McAleer |
| Successor: | William Stephens |
| Party: | Democrat |
Arthur Cyprian Harper (1866 - 1948) was an American banker who served as the 26th Mayor of Los Angeles, California, from December 13, 1906, to March 11, 1909. He was forced to resign in the wake of a recall drive due to dishonesty that marked his administration. While mayor, he began work on the Los Angeles Civic Center.
A native of Columbus, Mississippi, he died in Palmdale, California, on December 25, 1948.[1]
He was buried at Angelus-Rosedale Cemetery in Central Los Angeles.