Carina Eaglesfield Mortimer Milligan (March 19, 1890 - September 12, 1978) was an American architect. Born in Indianapolis, Indiana to James Theophilius Eaglesfield and Caroline Buckley Campbell, Milligan attended Sweet Briar College and the Cambridge School of Domestic Architecture. She designed houses, which were advertised in local newspapers. After the outbreak of World War II, Milligan worked with Miss Anne Morgan in the Comite American de Secour Civil in France. She married Ernest Mortimer in 1923, who died in 1937, and John Raymond Milligan in 1941, who died in 1959.