Haast is a German family name. It may refer to: High Availability for Asterisk, a software package which turns any two Asterisk servers into a cluster Bill Haast (1910–2011), founder of the Miami Serpentarium and pioneering snake venom collector Julius von Haast (1822–1887), German geologist and explorer of New Zealand; several things in New Zealand are named for him: Haast's eagle, extinct species of giant eagle identified by Haast and eventually named for him Haast, New Zealand, township on the Tasman Sea Haast Aerodrome, aerodrome adjacent Haast in New Zealand Haast Pass, a mountain pass in the Southern Alps Haast River, a river on the West Coast of the South Island Haast Schist, kind of rock found in New Zealand Anne Haast (born 1993), Dutch chess player Cees Haast (1938–2019), Dutch cyclist