Anne Calvert, Baroness Baltimore, née Arundell (1615–1649), was an English noblewoman, daughter of Thomas Arundell, 1st Baron Arundell of Wardour, and wife of Cecilius Calvert, 2nd Baron Baltimore, the founder of the Province of Maryland colony. Anne Arundel County in Maryland, USA, was named for her.
Her marriage to Lord Baltimore was in 1628, when she was 13 years old. Of the nine children the couple had, only three survived to adulthood, including Charles Calvert, 3rd Baron Baltimore.
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