Look up blue wall in Wiktionary, the free dictionary.
Blue wall may refer to:
- Blue wall (United States), states leaning toward the Democratic Party in presidential elections
- Blue wall (British politics), a group of Conservative-leaning UK parliamentary constituencies which are seen as shifting away from the party
- Blue wall of silence, an informal code among some police officers not to report wrongdoing by fellow officers
- "The Blue Wall", an episode of the television series Law & Order (season 1)
- The Blue Wall, a 2018 documentary film about the Chicago murder of Laquan McDonald, updated in 2019 as 16 Shots
