| Tadahiko Ito | |
| Native Name Lang: | ja |
| Office: | Minister for Reconstruction |
| Primeminister: | Shigeru Ishiba |
| Term Start: | 1 October 2024 |
| Predecessor: | Shinako Tsuchiya |
| Office1: | Member of the House of Representatives |
| Constituency1: | Aichi 8th (2012–2024) Tōkai PR (2024–present) |
| Term Start1: | 18 December 2012 |
| Predecessor1: | Yutaka Banno |
| Constituency2: | Aichi 8th |
| Term Start2: | 12 September 2005 |
| Term End2: | 21 July 2009 |
| Predecessor2: | Yutaka Banno |
| Successor2: | Yutaka Banno |
| Office3: | Member of the Aichi Prefectural Assembly |
| Constituency3: | Chita City |
| Term Start3: | 30 April 1999 |
| Term End3: | 30 August 2005 |
| Birth Date: | 11 July 1964 |
| Birth Place: | Nagoya, Aichi, Japan |
| Party: | Liberal Democratic |
| Otherparty: | New Party Sakigake |
| Alma Mater: | Waseda University |
is a Japanese politician of the Liberal Democratic Party, a member of the House of Representatives in the Diet (national legislature). A native of Nagoya, Aichi and graduate of Waseda University, he was elected to the first of his two terms in the Aichi Prefectural Assembly in 1999 and then to the House of Representatives for the first time in 2005.