Petre is a surname and given name. Notable persons with that name include:
The Collaborative International Dictionary
Petre \Pe"tre\ (p[=e]"t[~e]r), n. See Saltpeter.
n. (context archaic English) saltpetre
Usage examples of "petre".
Legate Petre where he sat reading, when I heard a burst of laughter and my name mentioned.
Captain Petre gave me a dark look when I refused him, but I wanted at least one officer I knew well to remain with the Lancers.
But it must be remembered I was only twenty-three and Petre a year older, so our foolishness can be understood.
General Petre has done as much to form this army as anyone, and this is his reward.
James made the Jesuit Petre a privy councillor, giving him his own apartment at Whitehall, and represented that he would be fitter for such a position if he was made a bishop or a cardinal, Innocent refused.
The property seems about 1637 to have been let to one John Leigh, and in 1651 was held by a member of the Petre family.
I had any personal business at all these days, but grudged the time, telling Petre where I was going.
Tombs or the Petres, who had not yet made their appearance, went in quest of Mr.