163 may refer to:
Dates AD 163 163 BC, a year of the pre-Julian Roman calendar
Number 163 (number), the natural number following 162 and preceding 164
Other uses 163 (New Jersey bus) Messerschmitt Me 163 U.S. Route 163, a 64-mile (103 km) U.S highway California State Route 163, a state highway in San Diego, California Virginia State Route 163, a primary state highway in the U.S. state of Virginia Washington State Route 163, a state highway in Washington state 163.com or NetEase Tatra 163, a heavy truck Namco 163, a memory management controller chip used in Famicom cartridges