Oxley Grabham (1864-1939) MA was a British naturalist, ornithologist, and museum curator.

[1][2] Grabham was a Master's graduate of Cambridge University[3] and Keeper of the Yorkshire Museum from 1904 to 1919.

He was appointed by the Yorkshire Philosophical Society to the position of Keeper in 1904 following the retirement of the previous incumbent, Henry Maurice Platnauer.

He was described in his obituary in the Yorkshire Post as "a naturalist of some distinction, he formed a collection of Yorkshire mammals which became famous on account of the specimens which illustrated the variety of types, many of which are rare and some unique.

[1] He was succeeded as Keeper by Walter Collinge, and voted an honorary member of the Yorkshire Philosophical Society upon his retirement.