Erda Sieglinde Walsh is a Canadian former politician. She served as MLA for the Kootenay riding in the Legislative Assembly of British Columbia from 1996 to 2001, as a member of the British Columbia New Democratic Party. Prior to entering politics, Walsh worked at the Cranbrook Regional Hospital, owned a small business and worked as a paramedic for the B.C. Ambulance Service. She also served on the city council for Cranbrook.