The name Rakhynia is derived from the name of the village Rakhynia, which is located in the Volyn district of the Ivano-Frankivsk region. The earliest mention of the village Rachinie dates back to 1395 (ŻD VI 128). The next record of Rachinya is noted in 1515 (ŻD 1 8 /1 82). The name is a possessive formation ending in -ynia from the shortened Slavic anthroponym Rakh (Mor 167). This name is associated with composite personal names such as Radomir, Radislav, and Ratibor (Haborak 141).