Oil and vinegar may refer to:
Salad dressing, which may contain mixes of oil and vinegar French dressing, a term originally used for any oil-and-vinegar-based salad dressing Vinaigrette, made by mixing an oil with something acidic such as vinegar or lemon juice Oil and Vinegar (film), a screenplay by John Hughes that was never produced
See also Unbalanced oil and vinegar scheme, cryptographic scheme