| Ronald Vernieux | |
| Birth Name: | Ronald Alfred Vernieux |
| Nationality: | Indian |
| Sport: | Sprinting |
| Event: | 100 metres |
| Pb: | 100 yd – 9.7 (1934) 200 m – 22.5 (1932) |
| Birth Date: | 18 October 1910 |
| Birth Place: | Calcutta, British India |
| Death Place: | Townsville, Australia |
Ronald Alfred Vernieux (18 October 1910 - 25 May 1997) was an Indian sprinter. He competed in the 100 metres at the 1932 Summer Olympics. Vernieux finished sixth in the 1934 British Empire Games 4×110 yards relay (with Gyan Bhalla, Jahangir Khan and Niranjan Singh); in the 100 yards and 220 yards he was eliminated in the heats.[1]