Anton Johan Rønneberg (6 August 1856 – 10 March 1922) was a Norwegian politician for the Liberal Party.
He was born in Aalesund to Rasmus Gerhard Rønneberg (1822–1884) and his wife Anna Margrethe Holmboe (1825–1907).
Anton Johan Rønneberg was also a distant relative of Hilmar Martinus Strøm and Walter Scott Dahl.
[2] Through his older brother Joakim he was a granduncle of WWII resistance fighters Joachim and Erling Rønneberg.
[2] He found a job in Tvedestrand in 1884, but moved back to Aalesund the next year to work as an attorney.