Sir

Sir is a title of honour commonly given to a male who has been knighted, been made a baronet or has been made a senior member of one of the British orders of chivalry. It can also be a way to address any male, especially if their name is not known.

The equivalent of Sir for a female, can be dame, lady or madam.

Sir Media

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  Sir Thomas Troubridge, 1st Baronet, whose entitlement to use 'Sir' derived from his position as baronet

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  Emperor Taishō, a Stranger Knight of the Order of the Garter, who, as a foreign national, was not entitled to use the prefix 'Sir' (which as a sovereign monarch he would not have used in any case) but was permitted to post-nominally use KG

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  Chithira Thirunal Balarama Varma was the last surviving Knight Grand Commander of the Order of the Star of India.

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  Centennial stamp celebrating the Knights of Rizal released by PhilPost with a profile of Jose Rizal and the badge of the Order visible.