David Weston may refer to:

• David Weston (artist) (1935–2011), British industrial artist and author
• David Weston (actor) (born 1938), English actor, director and author
• David Weston (cricketer) (1930–1977), New Zealand cricketer
• David E. Weston (1929–2001), English acoustician
• David John Weston (1898–?), World War I flying ace

• 2018 Korea Open (table tennis)
• 2018 Korea Open (tennis)
• 2018 Korea Open – Doubles
• 2018 Korea Open – Singles
• 2018 Koregaon Bhima violence
• 2018 Koser Jewelers Tennis Challenge
• 2018 Koser Jewelers Tennis Challenge - Doubles
• 2018 Koser Jewelers Tennis Challenge - Singles
• 2018 Koser Jewelers Tennis Challenge – Doubles
• 2018 Koser Jewelers Tennis Challenge – Singles
• 2018 Kosovar Supercup
• 2018 KPIT MSLTA Challenger
• 2018 KPIT MSLTA Challenger - Doubles
• 2018 KPIT MSLTA Challenger - Singles
• 2018 KPIT MSLTA Challenger – Doubles
• 2018 KPIT MSLTA Challenger – Singles
• 2018 KPMG Women's PGA Championship
• 2018 Krabi F.C. season
• 2018 Krakatau eruption and tsunami
• 2018 Krakatau tsunami
• 2018 Krakatau tsunami and eruption
• 2018 Krakatoa eruption and tsunami
• 2018 Krakatoa tsunami
• 2018 Krakatoa tsunami and eruption
• 2018 Kremlin Cup