Blundy is a surname. Notable people with the surname include:
Anna Blundy (born 1970), British author and journalist Brett Blundy (born 1959/1960), Australian billionaire businessman David Blundy (1945–1989), British journalist and war correspondent Jon Blundy (born 1961), British petrologist
Fictional Laura Blundy (2000), historical novel by Julie Myerson set in Victorian London