Phillippe Patrick O'Shea CNZM CVO KStJ (born 23 March 1947) is a New Zealand public servant and officer of arms.

[1] After gaining his qualifications, O'Shea became a junior public servant.

[2] He started in the public service as librarian and numismatic advisor to the New Zealand Treasury between 1967 and 1974.

[2] After this, O'Shea moved to become the advisory officer to the honours section of the Department of the Prime Minister and Cabinet in 1974.

[2] As part of his heraldic duties, he has also been involved in the design of coats of arms for several governors-general.