Gerdau (disambiguation)
Gerdau is the name of:
- Gerdau , municipality in the district of Uelzen, Lower Saxony
- Gerdau (river) , left source brook of the Ilmenau, near Veerßen (Uelzen), Uelzen district, Lower Saxony
- Gerdau SA , Brazilian steel company
Gerdau is the family name of the following people:
- Erich Gerdau (* 1935), German physicist
- Johann Heinrich Kaspar Gerdau (1849–1917), German-Brazilian company founder of Gerdau SA
- Jorge Gerdau Johannpeter (* 1936), Brazilian entrepreneur
- Kurt Gerdau (1930–2007), German navigator, writer and publicist
- Willi Gerdau (1929–2011), German soccer player
