| Honorific-Prefix: | Justice |
| N. Nadarajah | |
| Honorific-Suffix: | KC |
| Office1: | Puisne Justice of the Supreme Court of Ceylon |
| Birth Date: | 1897 |
| Alma Mater: | St. Patrick's College, Jaffna St. Joseph's College, Colombo Ceylon Law College |
| Profession: | Lawyer |
| Blank1: | Ethnicity |
| Data1: | Ceylon Tamil |
Justice Namasivayam Nadarajah was a Ceylon Tamil lawyer and judge of the Supreme Court of Ceylon.
Nadarajah was born in 1897.[1] His father was Veerakathipillai Namasivayam, a surveyor.[1] His family were from Valanthalai near Karainagar in northern Ceylon.[1] He was educated at St. Patrick's College, Jaffna and St. Joseph's College, Colombo.[1] After school he joined Ceylon Law College, qualifying as an advocate.[1]
Nadarajah married Thangammah, daughter of Kanagasabai.[1]
After qualifying Nadarajah practised law at the Colombo bar.[1] [2] He was later appointed a judge of the Supreme Court of Ceylon.[1]
Nadarajah died in the 1950s.[1]