Marian Shinn is a South African politician, a former Member of Parliament with the Democratic Alliance (DA), and the former Shadow Minister of Telecommunications and Postal Services.

She moved to South Africa in 1971 to join the Rand Daily Mail which started her journalism career.

She continued at The Star in 1974 where Shinn focused on human rights and social welfare issues.

On moving to Cape Town in 1998, Shinn joined the Muizenberg branch of the Democratic Party and served as the branch chairperson Shinn is also a writer; in 2002, her feature film script was selected as a finalist at the Moondance Film Festival held in Boulder, Colorado.

Shinn served as the DA Shadow Minister of Telecommunications and Postal Services.