title: Tomonaga
text: # Tomonaga
  
  Tomonaga is both a masculine Japanese given name and a Japanese surname.
  
  ## Possible writings
  
  Tomonaga can be written using different combinations of kanji characters. Here are some examples:
  
  * 友永, "friend, eternity"
  * 友長, "friend, long/leader"
  * 知永, "know, eternity"
  * 知長, "know, long/leader"
  * 智永, "intellect, eternity"
  * 智長, "intellect, long/leader"
  * 共永, "together, eternity"
  * 共長, "together, long/leader"
  * 朋永, "companion, eternity"
  * 朋長, "companion, extend"
  * 朝永, "morning/dynasty, eternity"
  * 朝長, "morning/dynasty, long/leader"
  
  The name can also be written in hiragana ともなが or katakana トモナガ.
  
  ## Notable people with the given name Tomonaga
  
  * Tomonaga Minamoto (源 朝長, 1144–1160), Japanese samurai
  
  ## Notable people with the surname Tomonaga
  
  * Jacobo Kyushei Tomonaga (朝長 五郎兵衛, 1582–1633), Gorōbyōe Tomonaga, Japanese priest in the Dominican Order of the Catholic Church
  * Natsumi Tomonaga (朝長 なつ美, born 1991), Japanese modern pentathlete
  * Shin'ichirō Tomonaga (朝永 振一郎, 1906–1979), Japanese physicist
  