Minamoto no Tomonaga (1144-1160), a Minamoto clan samurai of the late Heian period
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Luttinger liquid, also known as Tomonaga-Luttinger liquid, a theoretical model describing interacting fermions in a one-dimensional conductor
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Jacobo Kyushei Tomonaga (1582-1633), a Japanese priest in the Dominican Order of the Catholic Church
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Sin-Itiro Tomonaga (1906-1979), a Japanese physicist and Nobel Prize winner, influential in the development of quantum electrodynamics
Case Closed (TV) as barber (ep 242); detective B (ep 219); detective C (ep 245); fake policeman (ep 258-259); Ishijima (ep 149); landlord (ep 156); old man (ep 253); Tomonaga (ep 255)