Sir Vincent Gerard O'Sullivan KNZM (28 September 1937 – 28 April 2024) was a New Zealand poet, short story writer, novelist, playwright, critic, editor, biographer, librettist, and academic.

[2] He was educated at St Joseph's School in Grey Lynn, and Sacred Heart College, located in Ponsonby when he was there.

[12][5] He went on to complete twenty further volumes of poetry over the course of his career; his final collection, Still Is, is scheduled to be published posthumously in June 2024.

[14] In 2007, in honour of his 70th birthday, a festschrift was published celebrating O'Sullivan's work over his career, titled Still Shines When You Think of It (edited by Bill Manhire and Peter Whiteford).

[12] O'Sullivan has won the top prize for poetry at the New Zealand Book Awards on three occasions; for the collections Seeing You Asked in 1999, Nice Morning For It, Adam in 2005, and Us, Then in 2014.

[17] In the 2000 Queen's Birthday Honours, O'Sullivan was appointed a Distinguished Companion of the New Zealand Order of Merit, for services to literature.

[21] In 2006 O'Sullivan received the Prime Minister's Award for Literary Achievement, worth $60,000, in recognition of his significant contribution to New Zealand poetry.

Prime Minister Helen Clark said his poetry "goes to the heart of life's big themes – love, politics, philosophy, literature and history".