| Somrot Kamsing | |
| Fullname: | Somrot Kamsing |
| Nicknames: | "Rot" "Bus" |
| Weight Class: | Light Flyweight |
| Club: | Royal Thai Navy |
| Birth Date: | 24 September 1971 |
| Birth Place: | Mueang Khon Kaen District, Khon Kaen Province, Thailand |
| Weight: | 48kg (106lb) |
Somrot Kamsing (Thai: สมรถ คำสิงห์, born 1971-09-24) is a retired boxer from Thailand, who competed at the 1996 Summer Olympics. An older brother of Somluck Kamsing, he was defeated in Atlanta, Georgia in the quarterfinals of the men's light flyweight division ( - 48 kg) by Bulgaria's eventual gold medalist Daniel Petrov.
In Muay thai his name was Pimaran Sitharan. (Thai: พิมพ์อรัญ ศิษย์อรัญ)
|- style="background:#fbb;"| 1992-03-27 || Loss||align=left|
Takrawlek Dejrath || Lumpinee Stadium || Bangkok, Thailand || KO (Punches)|| 1 ||
|-| colspan=9 | Legend: