Thomas Wiegand (born 6 May 1970 in Wismar) is a German electrical engineer who substantially contributed to the creation of the H.264/AVC, H.265/HEVC, and H.266/VVC video coding standards.

In July 2006, video coding work of the ITU-T was jointly led by Gary J. Sullivan and Wiegand for the preceding six years.

[2] Since 2014, Thomson Reuters named Wiegand in their list of “The World’s Most Influential Scientific Minds” as one of the most cited researchers in his field.

He heads research teams working on: Since 2020 he is a principal scientist at the Berlin Institute for the Foundations of Learning and Data (BIFOLD).

After the "Wende" he started to study electrical engineering at the Hamburg University of Technology, where he earned his Diplom in 1995.