Jean Baptiste Louis Isambert (1838 - 22 February 1906) was a member of the Queensland Legislative Assembly.

[1] Isambert was born at Zollhof, Germany, the son of John Baptiste Louis Isambert Snr and his wife Agnes (née McKanem).

He owned a vineyard at Ipswich and was the proprietor of the Nord Australische Zeitung.

He died in February 1906 and was buried in the Cooktown Cemetery.

Isambert won the by-election for the seat of Rosewood in the Queensland Legislative Assembly in 1882[2] after the sitting member, Archibald Meston was declared bankrupt.