Ellen Margery McCulloch OAM (23 April 1930 – 13 November 2005) was a Melbourne-based Australian nature writer and amateur ornithologist who had a long association with Bird Observation & Conservation Australia (BOCA, formerly the Bird Observers Club).
She served the RAOU as its publicity officer in 1968–1969, and as an inaugural member of its Field Investigation Committee 1970–1973.
She also served as the Honorary Secretary of BOCA 1975–1982, and subsequently for many years as its public relations officer.
With Reg Johnson she was one of the main instigators of the Land for Wildlife scheme, established in 1981 to support the conservation efforts of private landholders in Victoria.
She also represented BOCA on various government and academic committees related to animal ethics and bird protection.