Maryellen is a given name. Notable people with the name include:
MaryEllen Elia (born 1948), American educator Maryellen Fullerton, American lawyer and academic Maryellen L. Giger (born 1956), American physicist Maryellen Goodwin (1964–2023), American politician Maryellen Jackson (born 1967), Bermudian cricketer Maryellen MacDonald, American Professor of Psychology Maryellen Noreika (born 1966), American lawyer and jurist Maryellen O'Shaughnessy, American Democratic politician
See also An American Girl Story – Maryellen 1955: Extraordinary Christmas, 2016 family-drama film 98825 Maryellen, minor planet, diameter 2.4 km