Anucha is a Thai word of Pali/Sanskrit origin meaning "younger brother". It is also used as a given name. People with the given name Anucha include:

• Anucha Browne Sanders, American former women's basketball player, former executive for the New York Knicks of the NBA
• Anucha Chaiyawong, Thai footballer who played for Thailand Premier League side Provincial Electricity Authority FC
• Anucha Chuaysri, professional footballer from Thailand
• Anucha Kitpongsri, Thai footballer
• Anucha Munjarern (born 1979), Thai futsal player who is futsal's top international goalscorer of all time

• One ring
• One-ring fraud
• One Ring Zero
• One room mansion
• One-room school
• One room schoolhouse
• One-room schoolhouse
• One Saturday Morning
• Ones complement
• Ones' compliment
• One's compliment
• One Second (Yello album)
• Ones (Enneagram of Personality)
• One Shot
• One shot
• One Shot (2005 film)
• One-shot (comics)
• Onesicritus
• One-sided argument
• One-sided error
• One sided error
• One sided error machine
• One-sided error machine
• One-sided limit
• One sided limit