Marta Ivanšek (Ljubljana, 1920 - 2003) was a Slovenian architect. She worked with her husband France Ivansek. Their most important architectural work is the neighborhood Murgle in Ljubljana. Besides is also recognizable the Elderly Home Kolezija (1976-82).

Together with France they won Plecnik Award in 1973 and IKEA Award, Kobenhavn in 1986. They develop a recognizable prefabricated housing role models for Slovenia.