John O'Connor's poetry has been widely published and is represented in Essential New Zealand Poems (2000) and Essential New Zealand Poems: Facing the Empty Page (2014) and other anthologies. His haiku have been internationally anthologized and translated into eight languages. In 1997 he received an Honorary Diploma, "for contribution to world haiku", from the Croatian Haiku Association and in 2001 a Museum of Haiku Literature Award, Tokyo, for "best of issue" in Frogpond International, a special issue of Haiku Society of America's periodical, Frogpond, featuring haiku selected from 52 countries and language communities. In 2000 his fifth book of poems, A Particular Context, was voted one of the best five books of New Zealand poetry of the 1990s by members of the New Zealand Poetry Society. He was co-winner of the Open Section of the NZPS International Poetry Competition in 1998 and outright winner of both the Open and the Haiku sections of the same competition in 2006.
Laying Autumn's Dust (Line Print, Christchurch, 1983)
Citizen of No Mean City (Concept Publishing, Christchurch, 1985)
Too Right Mate: The Well-Versed Voter's Satirical Guide, with Bernard Gadd (Hallard Press, Auckland, 1996)
As It Is (Sudden Valley Press, Christchurch, 1997)
A Particular Context (Sudden Valley Press, Christchurch, 1999)
Working Voices, with Eric Mould (Hallard Press, Auckland, 2003)
Parts of the Moon: Selected Haiku (Post Pressed, Brisbane, 2007)
Cornelius & Co.: Collected Working-Class Verse (Post Pressed, Brisbane, 2011)
Bright the Harvest Moon (Poets Group, Christchurch, 2011)
Aspects of Reality (HeadworX, Wellington, 2013)
Whistling in the Dark (HeadworX, Wellington, 2014)