Bucha may refer to:

• Bucha, Saxony-Anhalt, a village
• Bucha, Saale-Holzland, Thuringia, a small municipality
• Bucha, Saale-Orla, Thuringia, a small village

• Bucha, Ukraine, a city in Kyiv Oblast
• Bucha (village), Ukraine, in Kyiv Oblast
• Bucha Raion, a region of Ukraine

• Heather Bucha, actress and author, wife of Frank Whaley
• Johnny Bucha (1925–1996), U.S. basketball player
• Karin Bucha [de] (1906–1971), German writer
• Karl Bucha [de] (1868–1939), German singer musician
• Malik Khuda Bakhsh Bucha (1905–2002), Minister of Agriculture for Pakistan
• Nimra Bucha (active from 2006), Pakistani television actress
• Paul Bucha (1943–2024), U.S. Medal of Honor recipient and American Vietnam War veteran
• Pavel Bucha (born 1998), Czech hockey player
• Sana Bucha (born 1977), Pakistani television journalist

• Battle of Bucha during the 2022 Russian invasion of Ukraine
  • Bucha massacre, the killing and abuse of Ukrainian civilians by Russian troops
• Bucha effect, a seizure-inducing flashing light effect
• FC Bucha, Bucha, Kyiv, Ukraine; a soccer team

• All pages with titles beginning with Bucha
• All pages with titles containing Bucha
• Kombucha, or 'bucha