George Wallington Grabham (1 September 1836–23 July 1912) was a New Zealand medical doctor and health administrator.
Grabham was born in Rochford, Essex, England on 1 September 1836.
He had at least four sisters including the education reformer Elizabeth Surr.
He and three of his brothers went into medicine including Michael Comport Grabham who worked on Madeira.
This biography related to medicine in New Zealand is a stub.