The year 1718 in science and technology involved some significant events.

Births

• May 16 - Maria Gaetana Agnesi, Italian mathematician (died 1799)
• May 23 - William Hunter, Scottish anatomist (died 1783)
• July 31 - John Canton, English physicist (died 1772)
• date unknown - István Hatvani, Hungarian mathematician (died 1786)

Deaths

• December 9 - Vincenzo Coronelli, Italian cartographer and encylopedist (born 1650)