Arend Friedrich August Wiegmann (2 June 1802 – 15 January 1841) was a German zoologist and herpetologist born in Braunschweig.
He studied medicine and philology at the University of Leipzig, and afterwards was an assistant to Martin Lichtenstein (1780–1857) in Berlin. In 1828 he became a professor at University of Cologne, and two years later was an extraordinary professor at the Friedrich Wilhelm University in Berlin.
Wiegmann specialized in the study of herpetology and mammalogy. In 1835, he founded, together with other scholars, the zoological periodical Archiv für Naturgeschichte, also known as "Wiegmann's Archive". With Johann Friedrich Ruthe (1788–1859) he wrote an important textbook of zoology called Handbuch der Zoologie, and in 1834 Wiegmann published Herpetologia Mexicana, a monograph on the reptiles of Mexico.
In 1841 he died of tuberculosis at the age of 38 in Berlin.
His father Arend Friedrich Wiegmann (1771–1853) was a German researcher in botany.