Blaauw

Blaauw is a Dutch surname. It is an archaic spelling of modern Dutch blauw, meaning blue. This may have referred to the pale skin, the eyes, or the clothes of the original bearer of the name or the surname may be metonymic, e.g. referring to a dyer or someone who produced bluing in a mill. People with this name include:

Persons with the surname Blaauw include:
 * Adriaan Blaauw (1914–2010), Dutch astronomer
 * 2145 Blaauw, his namesake asteroid
 * David Theodore Blaauw (born c.1965), American engineer
 * Gerrit Blaauw (1924–2018), Dutch computer engineer and designer
 * Marco Blaauw (b. 1965), Dutch trumpet player
 * Marieke Blaauw (b. 1971), Dutch animator
 * Ron Blaauw (chef) (b. 1967), Dutch head chef at an eponymic restaurant and TV-personality
 * Wicus Blaauw (b. 1986), South African rugby player
 * William Henry Blaauw (1793–1870), English antiquarian and historian