E. O. Paton Electric Welding Institute (Ukrainian: Інститут електрозварювання ім.Є.О.Патона) is a welding research institution situated in Kiev, Ukraine. It is named after its founder, Professor Evgeny Paton.
The institute was established in 1934 following the decree of Ukainian Academy of Sciences. The institute was formed from the Laboratories of the Sate Electric Welding Committee and Electric Welding department of Kiev Polytechnic Institute in 1934. Until 1991 it was known as Ukrainian SSR Academy of Sciences Electric Welding Institute. The first leader of the institute was Evgeny Paton. Currently the institute is directed by Evgeny Paton's son, Boris Paton.
Currently the institute research staff includes 70 Doctor of Science, 250 Kandidats of Science. The institute is the main Ukrainian research facility dealing with electric welding and electrical discharge machining.