| Honorific Prefix: | The Honourable |
| Philip Lewis | |
| Office: | Member of the Senate of Canada for St. John's, Newfoundland and Labrador |
| Term Start: | 23 March 1978 |
| Term End: | 28 November 1999 |
| Birth Name: | Philip Derek Lewis |
| Birth Date: | 1924 11, df=yes |
| Birth Place: | St. John's, Newfoundland, British Empire |
| Death Place: | St. John's, Newfoundland and Labrador, Canada |
| Profession: | Lawyer |
| Party: | Liberal |
Philip Derek Lewis (28 November 1924 – 19 January 2017) was a Canadian politician who served in the Senate of Canada from 1978 to 1999. Lewis was a lawyer by profession.
He was nominated to the Senate by Prime Minister Pierre Trudeau under the St. John's, Newfoundland division. Lewis was a member of the Liberal party. He died in 2017, aged 92.[1]