Brianna Titone (/tɪˈtoʊn/[1]) is an American politician and scientist, currently serving as a member of the Colorado House of Representatives from the 27th district.

[7] At Stony Brook, Titone’s master's thesis was on the rare-earth element thorium and speciation of fossils and sediments of the Green River Formation.

[3][6] In 2016, Titone joined the Jefferson County, Colorado Democratic LGBT caucus and was elected its Secretary/Treasurer,[6][10] and later appointed a "captain at large".

In the 2nd regular session of the 72nd General Assembly, Titone worked to bring back and pass the bill banning the "Gay or Trans Panic Defense".

[13] Titone won re-election in the most competitive House race in Colorado, earning 29,566 (48.7%) of 60,708 votes against two opponents in the November 2020 election.