Gregory O'Brien (b. 1961) is a poet, fiction writer, painter, writer on art and anthologist. His collections of poems and drawings include Location of the Least Person (1987), Great Lake (1991), Days Beside Water (1993) and Winter I Was (1999). Diesel Mystic (1989) is an illustrated novel. He has edited a collection of New Zealand love poems, and co-edited An Anthology of New Zealand Poetry in English (OUP, 1997).