Nancy Irene Rouillard (married names: Ludington, Graham, born July 25, 1939) is an American former pair skater.

She has been married twice, once to pairs partner Ronald Ludington in 1957 and the second time to Frank Graham.

She began competing with Ronald Ludington in 1956 and she won her first national title under her maiden name.

She changed her name professionally after she married Ludington in 1957.

The Ludingtons went on to win the bronze medal at the 1960 Winter Olympics.