Technical drawing or engineering drawing is a type of drawing and form of graphic communication, used in the transforming of an idea into physical form. This type of drawing is used to fully and clearly define requirements for engineered items, and is usually created in accordance with standardized conventions for layout, nomenclature, interpretation, appearance , size, etc.

The process of creating a technical drawing is called drafting or technical drawing. A person who does drafting is known as a drafter. In some areas this person may be referred to as a drafting technician, draftsperson, or draughtsperson. A technical drawing differs from a common drawing by how it is interpreted. While a technical drawing is intended to concisely and clearly communicate all needed specifications of a created object or objects.