Patrick Dignan (1814 – 20 October 1894) was a 19th-century Member of Parliament in Auckland, New Zealand.
He was born in Loughrea, County Galway, Ireland. He emigrated to New South Wales in 1839 and came to Auckland on the Sophia Pate in 1841. He was a leading Catholic layman in Auckland and was a Member of the Board of Governors of St Peter's School.
He represented the Auckland West electorate from 1867 to 1870 when he was defeated, and from 1875 to 1879 when he resigned. He was appointed a member of the Legislative Council in 1879, until he died in 1894.
His eldest son, Peter Dignan, was Mayor of Auckland in 1897 and 1898.