Nasal index is a regional and racial sensitive anthropometric index. It is also one of the important anthropometric parameter for classifying the race and sex of an individual in the world. This study was carried out in 250 south Indian populations. The result shows the mean nasal breadth in males is 49.28mm while in females its 38.02mm, nasal height in males was found to be 58.04 and 56.12 in females, also nasal index was found to be 84.91 in males and 67.75 in females. All the measurements are found to be higher in males than females. Present study which showed that the south Indian males have mesorrhine type of nose and south Indian females have leptorrhine type of nose. Such regional studies parameters will help for the purpose of clinical practice (plastic surgery), forensic medicine and anthropological study.