Ingham is a surname. Notable people with the surname include:

• Albert Ingham (1900–1967), British mathematician
• Alice Ingham (1830–1890), Roman Catholic nun and missionary.
• Barrie Ingham (1932–2015), British actor
• Benjamin Ingham (1712–1772), English Methodist missionary
• Bernard Ingham (1932–2023), British journalist and former press secretary to Margaret Thatcher
• Beryl Ingham (1901–1960), British dancer and actor, wife of George Formby
• Charles C. Ingham (died 1863), Irish artist
• Craig Ingham (born 1965), New Zealand cricketer
• Dane Ingham (born 1999), New Zealand association football player
• Elaine Ingham, American microbiologist and soil biology researcher
• Eric Ingham (1944–2017), English rugby league footballer
• Harry Ingham (1882 – after 1915), English footballer
• Jai Ingham (born 1993), New Zealand footballer
• Jane Ingham (1897–1982), English botanist and scientific translator
• John H. Ingham (1928–2003), Australian businessman, racehorse owner and breeder
• Mary Bigelow Ingham (1832–1923), American writer and educator
• Mary Hall Ingham (1866–1937), American suffragist and reformer
• Michael Ingham (bishop) (born 1949), Canadian Anglican bishop
• Michael Ingham (cricketer) (born 1957), English cricketer
• Michael Ingham (footballer) (born 1980), Northern Irish footballer
• Mike Ingham (born 1950), British broadcaster
• Nathan Ingham (born 1993), Canadian soccer player
• Oliver Ingham (1287–1344), English knight and administrator
• Peter Ingham (bishop) (1941–2024), Australian bishop
• Peter Ingham (cricketer) (born 1956), British cricket player
• Robert Ingham (1793–1875), British barrister and politician
• Samuel Ingham (1793–1881), American politician
• Samuel D. Ingham (1779–1860), American politician
• William Ingham (1882 – after 1915), English footballer