Thomas Weiland (born October 24, 1951) is a German physicist, engineer and university lecturer.
He is Professor of Electrical Engineering at the Department of Electrical Engineering and Information Technology of the Technische Universität Darmstadt in Germany.
He was named a Fellow of the Institute of Electrical and Electronics Engineers (IEEE) in 2012 for his development of the finite integration technique and impact of the associated software on electromagnetic engineering.