Dennis Gail Peters (April 17, 1937 – April 13, 2020) was an American analytical chemist who specialized in electrochemistry and was named the Herman T. Briscoe Professor at Indiana University in 1975. Peters led his own research group at Indiana University in Bloomington, Indiana until his death in 2020. Peters' research focused on the electrochemical behavior of halogenated organic compounds, more recently moving to focus on transition metal catalysts in regards to the oxidation and reduction of organic species. He authored or co-authored over 210 publications and 5 analytical chemistry textbooks.