Advice may refer to:

• Advice (constitutional), in constitutional law, a frequently binding instruction issued to a constitutional office-holder
• Advice in aspect-oriented programming, a piece of code executed when a join point is reached
• Advice (complexity), in complexity theory, a string with extra information used by Turing machine or other computing device
• Pay advice, whereby employees are advised of having received directly deposited pay
• Legal advice, the giving of a formal and binding opinion regarding the substance or procedure of the law