Jannie Visscher (born 8 November 1961) is a Dutch politician for the Socialist Party (SP).
She studied agricultural environmental science at the Rijks Hogere Landbouwschool in Groningen.
In 2006 she became alderman in that city on behalf of the SP for health care, the elderly, and urban management and environment.
After the 2010 municipal elections, she was given the portfolios of welfare and health care, the elderly, waste management, urban management, ecology and animal welfare, recreation, and integration and emancipation.
Shortly afterwards she applied for the vacant position of national party chairman.