Albert Klöcker (28 June 1862 – 3 October 1923) was a Danish mycologist and fermentation physiologist.
After working as a pharmacist in Copenhagen, he was hired in 1892 as an assistant at the Carlsberg Laboratory's Physiological department, under Emil Christian Hansen.
Drawing upon his studies in entomology, he wrote the volumes on butterflies and moths in Danmarks Fauna.
[1] He became widely known after the publication of his book Fermentation organisms, which appeared in many editions and in several languages.
[1][2] Klöcker died in on October 3, 1923, after a short illness, leaving a wife and two daughters.