Radial is a geometric term of location which may refer to:

• Vector (geometric), a line
• Radius, adjective form of
• Radial distance (geometry), a directional coordinate in a polar coordinate system
• Radial set
• A bearing from a waypoint, such as a VHF omnidirectional range

• Radial artery, the main artery of the lateral aspect of the forearm
• Radial nerve, supplies the posterior portion of the upper limb
• Radial symmetry, one of the types of distribution of body parts or shapes in biology
• Radius (bone), a bone of the forearm

• Radial (radio), lines which radiate from a radio antenna
• Radial axle, on a locomotive or carriage
• Radial compressor
• Radial delayed blowback
• Radial engine
• Radial tire
• Radial, Inc., e-commerce business

• Axial (disambiguation)
• Radiate (disambiguation)