V5

V5 may refer to:

• Area V5 (visual area MT) of the visual cortex
• The V5 interface
• An engine in V configuration with five cylinders, e.g. as in the Honda RC211V motorcycle
• The United Kingdom vehicle registration document, as of 2004 being replaced by the V5C EU-compatible vehicle registration certificate.

Piston engine configurations
Straight	Single, 2, 3, 4, 5, 6, 8, 9, 10, 12, 14
V	2, 4, 5, 6, 8, 10, 12, 16, 20, 24
Flat	2, 4, 6, 8, 10, 12, 16, H
W	8, 9, 12, 16, 18
Other inline	H, VR, Opposed, U (Square), X
Other	Hemi, Radial, Rotary, Pistonless, Deltic, (Wankel)