Adalbert Ricken (18 March 1851 – 1 March 1921) was a German Roman Catholic priest and mycologist born in Fulda. He attended the seminary for Roman Catholic priests in Fulda, and afterwards was a priest and chaplain at several locations in the Fulda diocese. The genus Rickenella from the family Repetobasidiaceae is named in his honor. Since 1987, the "Adalbert Ricken Preis" is awarded by the Deutsche Gesellschaft für Mykologie for research done by young amateur mycologists. The standard author abbreviation Ricken is used to indicate this person as the author when citing a botanical name.