This category has the following 19 subcategories, out of 19 total.
- 20th-century crimes in Nepal (4 C)
- 20th century in Kathmandu (4 P)
- 20th-century Nepalese literature (3 C, 1 P)
- 20th-century Nepalese people (4 C, 32 P)
- Nepal in World War I (1 C, 1 P)
- Years of the 20th century in Nepal (78 C, 6 P)