•
Ingemar Johansson (1932–2009), Swedish boxer, nicknamed "Ingo" •
Ingo Anderbrügge (born 1964), German footballer •
Ingo Appelt (born 1961), German former bobsledder •
Ingo Appelt (born 1967), German comedian •
Ingo Brigandt, Canadian philosopher •
Ingo Bodtke (born 1965), German politician •
Ingo Buding (1942–2003), German tennis player •
Ingo Freyer (born 1971), German professional basketball coach and former national team player •
Ingo Gerhartz (born 1965), German Air Force general •
Ingo Giezendanner (born 1975), Swiss artist •
Ingo Günther (born 1957), German artist •
Ingo Hoffmann (born 1953), Brazilian former race car driver •
Ingo Maurer (1932–2019), German industrial designer •
Ingo Metzmacher (born 1957), German music conductor •
Ingo Molnár, Hungarian computer programmer •
Ingo Mörth (born 1949), Austrian sociologist • •
Ingo Nugel (1976–2007), German composer of video game music •
Ingo Preminger (1911–2006), American movie producer, brother of director Otto Preminger •
Ingo Rademacher (born 1971), German-born Australian actor •
Ingo Rechenberg (1934–2021), German researcher and professor currently in the field of bionics •
Ingo Renner (1940–2022), Australian glider pilot, four-time world champion •
Ingo Schmitt (), German politician •
Ingo Schulze (born 1962), German author •
Ingo Schwichtenberg (1965–1995), German rock drummer •
Ingo Simon (1875–1964), British singer and archer •
Ingo Steinhöfel (born 1967), German former weightlifter •
Ingo Steuer (born 1966), German figure skater and coach •
Ingo Swann (1933–2013), American psychic •
Ingo Titze, American vocal scientist •
Ingo Wegener (1950–2008), German computer scientist •
Ingo Wellenreuther (born 1959), German politician •
Ingo Zamperoni (born 1974), German news presenter ==Fictional characters==