Riria Baba (馬場 梨里杏, Baba Riria; born 18 December 1993), known professionally as Riria (梨里杏) and currently Riria Kojima (小島 梨里杏, Kojima Riria), is a Japanese actress. She is known for her role as Mio (ToQ 3gou) in the 2014 Super Sentai series Ressha Sentai ToQger.