| Honorific Prefix: | Coronel |
| Félix O'Neill | |
| Order1: | 60th |
| Office1: | Mayor of Ponce, Puerto Rico |
| Term Start1: | 24 July 1854 |
| Term End1: | August 1856 |
| Predecessor1: | Antonio E. Molina |
| Successor1: | Pedro Juan Capó |
| Birth Date: | c. 1800 |
| Death Date: | c. 1870 |
| Profession: | Military |
Félix O'Neill (c. 1800 - c. 1870) was Mayor of Ponce, Puerto Rico, from 24 July 1854 to August 1856.[1] [2] He was a Spanish military officer with the rank of Coronel.[3]
He is well remembered for producing, on 20 August 1856, his 20-point edict titled "Disposiciones Acordadas Por la Municipalidad de Esta Villa, que deben observarse en caso de ser invadida esta Poblacion por la epidemia del Colera-morbo" (Dispositions Agreed Upon by the Municipal Government of this Village, to be observed in the event our People are invaded by the Cholera Morbus epidemic).[4] The gastroenteritis cholera had just invaded the town earlier that month.[5]