Brun is a masculine given name which may refer to:
* Brun or
Bruno of Querfurt
Bruno of Querfurt ( 974 – 14 February or 9/14 March 1009), also known as ''Brun'' and ''Boniface'', was a Christian missionary bishop and martyr, who was beheaded near the border of Kievan Rus and Lithuania for trying to spread Christianity. ...
(c. 974–1009), Christian missionary bishop and martyr
*
Brun I, Count of Brunswick Brun (Latin Bruno; born around 975, died around 1010), was Count in the Derlingau, the Nordthüringgau, the Hastfalagau, the Salzgau, the Gau Gretinge, and the Gau Mulbeze, with Brunswick as his residence. Brun was a member of the Brunones ...
(c. 975–c. 1010)
* Brun or
Bruno, Duke of Saxony (died 880)
*
Brun Smith (1922–1997), New Zealand cricketer
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Masculine given names