Johan Albert Nykopp (27 May 1906, Le Vésinet, France – 28 April 1993) was a long-time Finnish diplomat and vuorineuvos.
Towards the end of the 1950s he entered the world of business first as the CEO of the Finnish Employers' Union and then as managing director of Oy Tampella Ab from 1962 to 1972.
Nykopp served for a long time diplomat in the 1930s in the Soviet Union, first as a delegation assistant in Moscow from 1931 to 1935, and later as a Finnish Consul to Leningrad from 1935 to 1937.
In the autumn of 1939, he participated in the Moscow negotiations before the Winter War with J. K. Paasikivi as secretary to the Finnish delegation.
Nykopp returned from the Moscow trade negotiations on February 24, 1950.