Adolphe-Basile Routhier (1839–1920) was a prominent Canadian poet and lyricist, best known for his contributions to Quebec's music and culture. Primarily associated with the genre of traditional Quebecois music, Routhier is celebrated for his lyrics, which often reflect themes of nationalism and the French-Canadian experience. His most notable work is the lyrics to "O Canada," the national anthem of Canada, which he wrote in 1880. The music was composed by Calixa Lavallée and was initially intended as a patriotic song. Routhier's poetic style emphasized lyrical beauty and national pride, resonating deeply with the sentiments of the time. Routhier's impact on music extends beyond "O Canada," as he contributed to the cultural identity of Quebec through his poetry and songs. His works are considered foundational in the canon of Canadian music, and his legacy continues to influence contemporary artists and composers in Quebec and beyond. His dedication to promoting French-language culture in Canada has solidified his status as an essential figure in the nation’s artistic history.