| Iwao Matsuda | |
| Native Name: | 松田 岩夫 |
| Native Name Lang: | ja |
| Birth Date: | 19 May 1937 |
| Office: | Member of the House of Councillors |
| Term Start: | 26 July 1998 |
| Term End: | 25 July 2010 |
| Office2: | Member of the House of Representatives |
| Term Start2: | 7 July 1986 |
| Term End2: | 27 September 1996 |
was a Japanese politician of the Liberal Democratic Party who was a member of the House of Councillors in the Diet (national legislature). A native of Gifu, Gifu, Japan, and graduate of the University of Tokyo, he joined the Ministry of International Trade and Industry in 1960, attending the University of London while in the ministry. Leaving the ministry in 1981, he was elected to the House of Representatives for the first time in 1986. After losing his seat in 1996, he was elected to the House of Councillors for the first time in 1998. Matsuda died from hypoglycemia on 3 February 2022, at the age of 84.[1]