Rahi is of Indian origin, derived from the Sanskrit word 'Rahasya', which means mystery or secret. It is often used as a given name for boys. In some cultures, Rahi may also be interpreted as a shortened form of names like Rahim or Rahul. The name Rahi has gained popularity in various parts of the world, particularly among Indian communities living abroad.
The name Rahi had a steady popularity with an average of five births per year from 1998 to 2013. There was a notable increase starting in 2018 with eight births each in that year and the following one, before returning to six births in 2021. Overall, there were 47 babies named Rahi born between 1998 and 2021.