Dovid Katz (Yiddish: ????????? ???, also ????????? ????, Hirshe-Dovid Kats, born 9 May 1956) is an American-born, Vilnius-based scholar, author and educator, specializing in Yiddish language and literature, Lithuanian Jewish culture, and the Holocaust in Eastern Europe.
In recent years, he has been known for combating the so-called "Double Genocide" revision of Holocaust history.
He is editor of the web journal DefendingHistory.com, which he founded in 2009; it has brought together a modest cluster of otherwise little heard-from East European voices.
He is known to spend part of each year at his home in North Wales.
His website (www.DovidKatz.net) include a list of his books, of some articles by topic, a record of recent work, and a more comprehensive bibliography.