Ellerby is a civil parish in the East Riding of Yorkshire, England. It is situated to the north-east of Hull city centre and covering an area of .
The civil parish is formed by the hamlets of New Ellerby and Old Ellerby. According to the 2011 UK census, Ellerby parish had a population of 365, a decrease on the 2001 UK census figure of 393.
In 2020 the Ellerby Area Hoard was found during building renovations in a house in Ellerby parish. It is a hoard of 266 17th-18th century gold coins found in a stoneware vessel.