Somnang is of Khmer origin, meaning "moon" in Khmer language. It's a unisex given name, but it's more commonly used for females. The name Somnang has three syllables and is pronounced as /sɔm.nɑːŋ/.
"Somnang saw a peak in popularity with 13 births in 1986, but has since declined, with only 5 or fewer births annually from 1987 onwards until it reached 6 births again in 1991 and 1997. Overall, there were 62 babies named Somnang between 1984 and 1997."