Mogens Larsen is a Danish public lecturer based in Ringsted, trained as a teacher at Skårup Statsseminarium and the University of Copenhagen. He worked as a teacher and adult-education headmaster before serving on Ringsted Municipal Council, including as chair of the Children and Youth Committee. His lectures cover Danish history and literature - ranging from the drafting of the constitution and folk ballads to church history and the Danish-German border - delivered to adult-education associations, folk high schools, parish councils and lecture societies across Denmark. He also serves as local contact for Danmarkssamfundet in Ringsted, chairs the Grænseforeningen branch in Ringsted og Omegn, and holds the rank of 1st chair-brother in Denmark's only Sct. Knudsgilde.
Mogens Larsen appeared in Sjællandske Nyheder as a source about Sct. Knudsgildet and Ringsted's role as a medieval royal city.
Mogens Larsen gave a lecture on the history of the Constitution in Konfirmandhuset in Smørum, mentioned in Sjællandske Nyheder.
