Heinrich (Andreas Karl) Seilkopf (* December 25, 1895 in Frankfurt (Oder), † June 27, 1968 in Hamburg) was a German meteorologist.
From March 1916 to March 1919 he was a research assistant at the weather office in Berlin and until the end of the year scientific assistant at the Meteorological Observatory in Essen.
From 1920 to March 1946 he was a meteorologist at the German Naval Observatory. 1927 was a lecturer and fellow at the meteorological observatory Hanover, since May 1929 as Councillor. After a short time as head of the meteorological observatory Hanover, he established the department of ocean air-German Naval Observatory. From March 1930 he was at the Meteorological Observatory Hamburg. In June 1931 he was a.o. Professor at the Technical University of Hanover, since 1940 also lecturer at the University of Hamburg for Seeflugmeteorologie. In 1939 he had discovered the jet stream. In 1941 he was Director at the German Weather Service Seewetteramt in Hamburg-Nienstetten.
Seilkopf Peaks is named after him.
He was also interested in ornithology.