• Caveat lector, "let the reader beware"
• Caveat emptor, "let the buyer beware"
• Caveat venditor, "let the seller beware"

Caveat may also refer to:

• CAVEAT, a Canadian lobby group
• Paulette Caveat about certain First Nations rights to northern Canada
• Patent caveat, a legal document filed with the United States Patent Office
• Caveat, an album by Nuclear Death
• Caveat (horse), a thoroughbred race horse in the 1983 Kentucky Derby