Tainui was a New Zealand parliamentary M?ori electorate. From the 2008 election the Hauraki-Waikato electorate replaced it.
It was held by Nanaia Mahuta MP from 2002 to 2008.
The Tainui electorate was replaced by the Hauraki-Waikato electorate in 2008.
No candidates that contested the Tainui electorate were returned as list MPs.