Radoy Ralin Peak (Bulgarian: Vrah Radoy Ralin \'vr&h ra-'doy 'ra-lin\) is a 720 m peak in the Levski Ridge in Tangra Mountains on Livingston Island in the South Shetland Islands, Antarctica surmounting Iskar Glacier to the east and the Huron Glacier terminus to the north-northwest. It was named after the Bulgarian writer Dimitar Stoyanov, who used Radoy Ralin as a pseudonym.
The peak's highest point is located at which is 2.25 km south-southeast of Yana Point, 620 m east of Intuition Peak and Cherepish Ridge, 1.47 km north of Helmet Peak and 1.86 km northwest of Shishman Peak (Bulgarian topographic survey Tangra 2004/05, and mapping in 2005).
This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.