Cameronians may refer to:

• the Cameronian group, a seventeenth-century religious group in Scotland named for its leader, Richard Cameron

• the 26th (Cameronian) Regiment of Foot, a regiment of the British Army raised from among the Cameronians, in existence from 1689 to 1881
• the Cameronians (Scottish Rifles), a regiment of the British Army formed from the 26th Foot in 1881, and disbanded in 1968

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