Thomas Bryn (29 March 1782 – 6 September 1827) was a Norwegian jurist, magistrate and civil servant.

He some found work in the administration of District Governor Herman Wedel Jarlsberg.

The family lived at Klubbgaarden in Larvik and owned the Lunde farm in Tjølling.

[2] [3] [4] Thomas Bryn represented Råbyggelaget Amt (now Aust-Agder) at the Norwegian Constituent Assembly in 1814, together with Even Torkildsen Lande and Ole Knudsen Tvedten.

When Henrik Wergeland was preparing his work on Norway's constitutional history, he came across this diary and used it as one of their sources.