Ernst August Nicolai (1800, Arnstadt –1875, Arnstadt), was a German medical doctor and naturalist. He is known for his work on botany and Coleoptera.

Works partial list Nicolai EA (1822) Dissertatio inauguralis medica sistens Coleopterorum species agri Halensis. Grunert, Halae, 1–48.

References Notes

Sources Katter, F. 1876: [Nicolai, E. A.] Ent. Kalender, pp. 80 Kraatz, G. 1875: [Nicolai, E. A.] Dtsch. ent. Ztschr. 19, pp. 8