Alfred Jørgen Bryn (29 May 1862 – 3 August 1937) was a Norwegian patent engineer.

Bryn was born in Trondheim as the son of Thomas Bryn and Kristine Emilie Karoline Richter.

He was a grandson of Constitutional Father Thomas Bryn, a brother of Knud Bryn and Halfdan Bryn, and the father of Alf Bonnevie Bryn.

[1] In 1887 Bryn established the office Bryns Patentbyrå, which he managed for fifty years.

Among his publications are Om patenter from 1894, Raadhuset og Piperviks-reguleringen from 1916, Varemerket from 1929, and Retten i oppfinnelser efter norsk lov from 1932.