Nicholas Baker

Nicholas or Nick Baker may refer to:


 * Nick Baker (business executive), Australian business executive
 * Nicholas Baker (cyclist) (born 1957), Caymanian cyclist
 * Nicholas Baker (politician) (1938–1997), British Member of Parliament and government minister
 * Nick Baker (naturalist) (born 1972), English naturalist and television presenter
 * Nicholas Baker (rower) (born 1985), Australian lightweight rower
 * Nicholas John Baker, British citizen who was convicted of smuggling cocaine and ecstasy into Japan
 * Niels Bohr (1885–1962), who assumed the name "Nicholas Baker" while working on the Manhattan Project