The Antoine Courtois (French pronunciation: [ɑ̃twan kuʁtwa]) company, founded in Paris in 1789, is a renowned manufacturer of brass musical instruments.

The company has been a leading manufacturer of brass instruments ever since, particularly trumpet, cornet, saxhorn, flugelhorn and trombone.

Today, Antoine Courtois is one of the brand names of Buffet Crampon Group,[1] headed by Antoine Beaussant.

[2] The renowned cornetist Herbert L. Clarke was given a Courtois cornet on joining the Queens’s Own Regimental Band in Toronto in 1883, where he served intermittently as cornetist for nine years.

[3] This French corporation or company article is a stub.