Christiaan
Christiaan is a Dutch male given name. An archaic spelling of the name was Christiaen. People with the name include:
- Christiaan van Adrichem, Dutch Catholic priest and theological writer
- Christiaan Andriessen, Dutch painter
- Christiaan Bailey, American surfer
- Christiaan Bakkes, South African writer
- Christiaan Bangeman Huygens, Dutch diplomat and civil servant
- Christiaan Barnard, South African cardiac surgeon known for his heart transplants
- Christiaan Basson, South African golfer
- Christiaan Berger, Dutch sprinter
- Christiaan Beyers, South African Boer general during the Second Boer War
- Christiaan Frederick Beyers Naudé, South African cleric, theologian, and anti-apartheid activist
- Christiaen Jansz van Bieselingen, Dutch genre and portrait painter
- Christiaan Boers, Dutch Royal Netherlands Army captain during World War II
- Christiaan Both, Dutch sport shooter
- Christiaan Both , Dutch ecologist
- Christiaan Brosch, Dutch sport shooter
- Christiaan Bruil, Dutch badminton player
- Christiaan Brunings, Dutch hydraulic engineer
- Christiaan Cicek, Dutch football striker
- Christiaan Coevershoff, Dutch painter
- Christiaan Cornelissen, Dutch syndicalist writer, economist, and trade unionist
- Christiaen van Couwenbergh, Dutch historical/allegorical painter
- Christiaan de Bruin, South African rugby player
- Christiaan de Wet, South African Boer general, rebel leader and politician
- Christiaan De Wilde, Belgian businessman
- Christiaan du Toit, South African military commander
- Christiaan Eijkman, Dutch physician, physiologist and Nobel Prize laureate
- Christiaan Justus Enschedé, Dutch newspaper editor and printer
- Christiaan Freeling, Dutch game designer and inventor of abstract strategy games
- Christiaan Willem Fokma, Dutch sculptor and ceramist
- Christiaan van der Goes, Dutch nobleman, schout of Delft
- Christiaan Groepe, Khoi military leader in the Cape Colony
- Christiaan Harmse, South African hammer thrower
- Christiaan Heij, Dutch mathematician
- Christiaan Huijgens, Dutch long-distance runner
- Christiaan Huygens, Dutch physicist, mathematician, astronomer and inventor
- Christiaan Jonker, South African cricketer
- Christiaan Josi, Dutch engraver and art dealer
- Christiaan Kok, Zimbabwean cricketer
- Christiaan Kriens, Belgian-born American composer, pianist, violinist and conductor
- Christiaan Emil Marie Küpper, Dutch artist, founder of De Stijl, better known as "Theo van Doesburg"
- Christiaan Kuyvenhoven, Dutch pianist
- Christiaan Lans, Dutch colonial head of the Dutch Gold Coast 1834-36
- Christiaan Frederik Louis Leipoldt, South African poet, dramatist, medical doctor, reporter and food expert
- Christiaan van Lennep, Dutch tennis player
- Christiaan Lindemans, Dutch double agent during the Second World War
- Christiaan Luyckx, Flemish still life painter
- Christiaan Meyer, South African rugby player
- Christiaan Moltzer, Dutch sport shooter
- Christiaan Monden, Dutch sociologist
- Christiaan Müller, German-born Dutch organ builder
- Christiaan Nagel, South African-born British street artist
- Christiaan Neumeier, Dutch rower
- Christiaan Benjamin Nieuwenhuis, Dutch photographer in the Dutch East Indies
- Christiaan Offringa, Dutch curler
- Christiaan Hendrik Persoon, Dutch mycologist
- Christiaan Pförtner, German football midfielder
- Christiaan van Pol, Dutch flower painter
- Christiaan Roets, South African-born Welsh rugby player
- Christiaan Scholtz, South African rugby player
- Christiaan Sepp, German-born Dutch entomologist and artist
- Christiaan Slieker, Dutch early film exhibitor
- Christiaan Snouck Hurgronje, Dutch scholar of Oriental cultures and languages
- Christiaan Snyman, Namibian cricketer
- Christiaan Steyn, South African sprinter
- Christiaen Striep, Dutch still-life painter
- Christiaan Timmermans, Dutch law professor and judge.
- Christiaan Tonnet, Dutch equestrian and modern pentathlete
- Christiaan Tonnis, German symbolist/realist painter, draftsman, and video artist
- Christiaan Maurits van den Heever, Afrikaans novelist, poet, essayist, and biographer
- Christiaan Van Vuuren, Australian actor and video blogger
- Christiaan Varenhorst, Dutch beach volleyball player
- Christiaan van Velzen, Dutch sport shooter
- Christiaen van Vianen, Dutch silversmith and draughtsman
- Christiaan Viljoen, South African tennis player
