The National Highway System of Nepal is the group of main roads in Nepal.

Any highway or road that connects east to west and north to south is considered a National Highway of Nepal.

[1] National Highways are administered by the Department of Roads under the Ministry of Physical Infrastructure and Transport (Nepal).

According to the Statistics of National Highway SNH-2020/21 there are 80 National Highways in Nepal,[2] with a total length of 11178.92 km.

[3] The new report of the Road Department of Nepal "Statistics of National Highway SNH-2022/23" shows that a total of 621 km (385.87 mi) of new roads have been built in Nepal in a span of 1 year, thus the total length of National Highway in Nepal in the year 2023 has become 11,799.09 km (7,331.61 mi)[4]