Moriah is a feminine given name and a surname. Notable people with the name include:

Given name Moriah Jefferson (born 1994), American basketball player Moriah van Norman (born 1984), American water polo player Moriah Rose Pereira (born 1995), known as Poppy, American singer Moriah Smallbone (born 1992), American singer and songwriter Moriah Wilson (1996–2022), American pro cyclist

Surname Nathan Moriah-Welsh (born 2002), English footballer who plays in the Guyana national team

Fictional characters Gecko Moriah, a character in One Piece