David A. Wagner (born 1974) is a professor of computer science at the University of California, Berkeley and a well-known researcher in cryptography and computer security.

He is a member of the Election Assistance Commission's Technical Guidelines Development Committee, tasked with assisting the EAC in drafting the Voluntary Voting System Guidelines.

in computer science from Berkeley in 1999, and a Ph.D. in computer science from Berkeley in 2000.

He joined the faculty of Berkeley after graduation, became a Full Professor in 2010, and was chair of the Computer Science Department from 2020 to 2022.

[2] Wagner has published two books and over 200 peer-reviewed scientific papers.