Who is that person (also known as Who is that person?, abbreviated as NALA, in English: Who is Single Vietnam) is a program produced by Ho Chi Minh City Television and Vie Channel (under DatViet VAC Group Holdings) with the purpose of helping single women find suitable partners among 5 male participants. This is a love-based program originally copyrighted from Thailand (Roo Mai Krai Sod – รู้ไหมใครโสด, in English: Who is Single). The first episode was aired on November 2, 2018, on HTV2 - Vie Channel and VTVcab 1 - Entertainment TV (now ON Vie Entertainment). The contestants are single women looking for suitable boyfriends. The contestants have the task of eliminating those who are already taken (meaning already married/in a relationship), those who are of the third gender, and finding out who is the suitable single person for them. Each episode has a panel of advisors to help the contestants choose the suitable boyfriend. Trấn Thành is the host, singer Hương Giang is the consistent advisor throughout.