Quisumbing is a surname. Notable people with the surname include:
Agnes Quisumbing, Filipino economist Eduardo Quisumbing (1895–1986), Filipino biologist Francisco Quisumbing, Filipino botanist Leonardo Quisumbing (1939–2019), Filipino jurist Lourdes Quisumbing (1921–2017), Filipino politician Luigi Quisumbing (born 1979), Filipino politician