Andrew Joseph Thynne (30 October 1847 – 27 February 1927) was a lawyer and politician in Queensland, Australia.

He was educated at the Christian Brothers' school, Ennistymon, by a private tutor, and at Queen's College, Galway, where he won a classical scholarship.

Thynne entered the Queensland civil service, resigned later to take up the study of law, and was admitted as a solicitor in 1873, where he prospered in his profession.

Thynne had joined the Queensland Volunteer Defence Force when a young man in 1867 and had attained the rank of Lieutenant-Colonel.

He was a first-rate rifle-shot, having twice won the Queen's prize, and more than once captained the Queensland rifle team.