| Rumeshika Rathnayake | |
| Native Name: | රුමේශිකා කුමාරි රත්නායක |
| Native Name Lang: | si |
| Fullname: | Rathnayake Mudiyanselage Rumeshika Kumari Rathnayake |
| Nationality: | Sri Lankan |
| Ethnicity: | Sinhala |
| Birth Date: | 1996 6, df=yes |
| Birth Place: | Kegalle, Sri Lanka |
| Country: | Sri Lanka |
| Sport: | Track and field |
| Event: | Sprint |
| Turnedpro: | 2016 |
| Turnedpro Type: | International level |
| Pb: | 100 m 11.60 (Guwahati 2016) |
| Show-Medals: | yes |
| Updated: | 11 July 2017 |
Rumeshika Kumari Ratnayake (born 27 June 1996) is a Sri Lankan sprint athlete specialising in the 100 and 200 meters events. She is the current fastest South Asian woman over 100 m, winning the gold at 2016 South Asian Games.[2] She won the Bronze in the 200 m at the same games.
Rathnayake's personal best time of 23.40 in the 200 m and won the Silver at the 2017 Asian Athletics Championships.[3]
Rathnayake was born in Kegalle, Sri Lanka and attended to St. Joseph Balika Vidyalaya.[4] [5]