Mary Jane Croft (15 Februarie 1916 – 24 Augustus 1999) was 'n Amerikaanse aktrise. Sy was bekend vir haar rolle in die televisiereekse I Love Lucy (1951), Our Miss Brooks (1952), The Lucy Show (1962), en Here's Lucy (1968). 1951: I Love Lucy 1952: Our Miss Brooks 1955: The People's Choice 1957: The Eve Arden Show 1962: The Lucy Show 1968: Here's Lucy 1966: The Two of Us 2009: Working with Lucy: A Conversation with Gino Conforti 2010: Working with Lucy: A Conversation with James E. Brodhead Mary Jane Croft in die Internet-rolprentdatabasis