The Happy Warrior may refer to:

• "Character of the Happy Warrior", an 1806 poem by Wordsworth, source of a metaphor "the happy warrior"
• The Happy Warrior, an 1884 painting by George Frederic Watts
• The Happy Warrior, a 1912 novel by A. S. M. Hutchinson
• The Happy Warrior (1917 film), a 1917 film directed by F. Martin Thornton, based on the novel by Hutchinson
• The Happy Warrior (1925 film), a 1925 American silent drama film
• Al Smith (1873–1944), American politician, named "the Happy Warrior of the political battlefield" by Franklin D. Roosevelt
• Hubert Humphrey (1911–1978), American politician, nicknamed "The Happy Warrior"
• The Happy Warrior, a biography of Churchill in the form of a comic strip, drawn by Frank Bellamy
• The Happy Warrior, a 1960 biography of West Indian cricketer Collie Smith by Ken Chaplin
• Roxanne Modafferi (born 1982), American female mixed martial artist
• Happy Warrior: Political Memoirs, the 1988 autobiography of Donald C. MacDonald, Canadian politician

• Battle of Pohangdong
• Battle of P'ohang-dong
• Battle of P'ohangdong
• Battle of Point 175
• Battle of Point 204
• Battle of Point 29
• Battle of Point Judith
• Battle of Point Judith (1945)
• Battle of Point Pedro (disambiguation)
• Battle of point pleasant
• Battle of poison spring
• Battle Of Poitiers
• Battle of pokarwis
• Battle of pokoku and irrawaddy river operations
• Battle of Poland
• Battle of polesella
• Battle of poljana
• Battle of pollentia
• Battle of pollilur
• Battle of Pollilur (1781)
• Battle of Polog
• Battle of polonka
• Battle of Polotsk (disambiguation)
• Battle Of Poltava
• Battle of poltava