Yasui (written: 安井 or 保井) is a Japanese surname. Notable people with the surname include:
*, Japanese judge
*, Japanese swimmer
*, Japanese politician
*, Japanese businessman
*, Japanese biologist
*, Japanese voice actor
*, American lawyer
*, Japanese politician
*, Japanese photographer
*, Japanese Go player
*, Japanese Go player
*, Japanese actor
*, Japanese Confucian scholar
*, Japanese painter
*, Japanese economist
*, Japanese footballer
*, Japanese fencer
*, Japanese politician
See also
*
Yasui house, one of the four Schools of Go during the Edo period
*
Yasui procedure, a pediatric heart operation
*''
Yasui v. United States'' (1943), a decision by the Supreme Court of the United States
{{surname
Japanese-language surnames