This is a summary of the electoral history of Sir George Grey, Prime Minister of New Zealand, (1877–1879).
Grey's first electoral contest in 1870 was fought in the United Kingdom parliamentary constituency of Newark.
a Grey resigned from the Auckland West seat after he was elected in the Thames electorate.
This was unresolved for several months, and Grey telegrammed in June that he chose to represent Auckland West.
b Grey was unseated on petition in Christchurch, as he had already been elected in the Thames electorate.