Giovanni Battista Sammartini (1700/1701 – 17th January 1775) was an Italian composer, organist, choirmaster, and teacher. Sammartini was born to French emigrant and oboist Alexis Saint-Martin and Girolama de Federici in Milan, in what was Austria during most of his lifetime and Italy today. He was the seventh of eight children. He received musical instruction from his father and wrote his first work in 1725, which was a set of vocal works (now lost). Not long afterwards, in 1728, he acquired the position of maestro di cappella of the Congregazione.