Ubah is both a given name and a surname. Notable people with the name include:
Given name Ubah Ali (born 1996), social activist and feminist from Somaliland who campaigns against FGM Ubah Hassan (born 1983), Somali-Canadian model, businesswoman and television personality
Surname Bismark Ubah (born 1994), Nigerian professional footballer Calister Ubah (born 1973), Nigerian sprinter Ifeanyi Ubah (born 1971), Nigerian businessman, entrepreneur and Senator John Ubah, Administrator of Kebbi State in Nigeria from August 1996 to August 1998 Rufina Ubah (born 1959), former Nigerian sprinter