Josiah Magnuson (born August 17, 1991) is a member of the South Carolina House of Representatives from the 38th district, serving since 2016.
He is a member of the Republican Party.In 2019, after Magnuson's Republican colleague in the South Carolina House spoke of being raped at age 16, Magnuson placed a letter on her desk describing rape as a "misdeed of the parent" and said it does not justify having an abortion.