Ian McLean (born 1934) is a New Zealand politician of the National Party. He was a Member of Parliament from 1978 to 1990.
McLean received his secondary education at Waitaki Boys' High School (1946–1951) and then studied mathematics at the University of Auckland (1952–1956), from where he graduated in 1956. He returned to the eastern Bay of Plenty to farm family beef, sheep and dairy farms before joining the Ministry of Agriculture as an economist. He led an FAO/UNDP project in Tanzania.
He represented the Tarawera electorate from the 1978 general election to 1990, when he retired and was replaced by Max Bradford. At parliament, he was chair of the Public Expenditure Committee.
On retiring as an MP, he chaired the Earthquake Commission and was one of the first in the world to use Dynamic Financial Analysis commercially. He later advised on the formation of earthquake insurance schemes in Turkey and Romania under the World Bank. He led the revival of the LakesWater Quality Society which initiated restoration of the Rotorua lakes. He is chair of the Mahi Tahi Akoranga Trust which works with Māori inmates in prison.
He led the Review of the Civil Defence Emergency Management Response to the 22 February 2011 Christchurch earthquake. He was a finalist for the 2014 New Zealander of the Year Awards in the Senior category.