Gerdau (surname)

Gerdau is a surname. Notable people with the surname include:


 * André Bier Gerdau Johannpeter (born 1963), Brazilian businessman and equestrian
 * Jorge Gerdau Johannpeter (born 1936), Brazilian businessman and equestrian
 * Mats Gerdau (born 1964), Swedish politician
 * Willi Gerdau (1929–2011), German footballer