Punya Thitimajshima (9 November 1955 – 9 May 2006), a Thai professor in the department of telecommunications engineering at King Mongkut's Institute of Technology at Ladkrabang, was the co-inventor with Claude Berrou and Alain Glavieux of a groundbreaking coding scheme called turbo codes.
Thitimajshima was educated at King Mongkut's Institute of Technology at Ladkrabang, where he earned his bachelor's degree in control engineering and master's degree in electrical engineering.
In 2003 he received the Outstanding Technologist Award presented by the Foundation for Promotion of Science and Technology under the Patronage of His Majesty the King of Thailand.
He died on 9 May 2006 at the age of 51 from illness.