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- Lake Sagaris (born 1956), journalist, poet and translator living in Chile
- Trish Salah, academic, writer and poet whose first volume of poetry appeared in 2002
- Peter Sanger (born 1943), poet and prose writer, critic, editor and academic born in England, immigrated to Canada in 1953
- Charles Sangster (1822–1893)
- Félix-Antoine Savard (1896–1982), priest, academic, poet, novelist and folklorist
- Jacob Scheier, poet whose first collection of verses won the 2008 Governor General's Award for English poetry; editor; son of Libby Scheier; lives in New York City
- Libby Scheier (1946–2000), United States-born poet and short story writer who moved to Canada in 1975; mother of Jacob Scheier
- Matthew Schreuder (born 1971), writer and poet living in Australia
- Andreas Schroeder (born 1946), German-born poet, novelist, and nonfiction writer
- Stephen Scobie (born 1943), poet, critic, and academic
- Duncan Campbell Scott (1862–1947), poet and writer
- Duncan Scott, see Duncan Campbell Scott
- F. R. Scott, also known as Frank Scott (1899–1985), poet, intellectual and constitutional expert
- Peter Dale Scott (born 1929), poet and academic
- Olive Senior (born 1941), Jamaican poet and short story writer living in Canada
- Robert W. Service (1874–1958), poet and writer
- Kathy Shaidle (born 1964), author, columnist and poet
- Francis Sherman (1871–1926)
- Joseph Sherman (1945–2006), poet and visual arts editor
- Carol Shields (1935–2003), American-born Canadian novelist, short-story writer, poet, playwright and writer
- Trish Shields, poet and novelist
- Sandy Shreve, poet, newspaper reporter and office worker
- Goran Simic (born 1952), Bosnian-born poet, playwright and short-story writer living in Canada since 1995
- Melanie Siebert
- Anne Simpson (born 1956), poet and novelist
- Sue Sinclair
- Sonja Skarstedt (born 1960), poet, short-story writer, playwright, painter and illustrator who founded and edited the now-defunct literary magazine Zymergy (1987–1991), and founded Empyreal Press in 1990
- Robin Skelton, sometimes wrote under the pseudonym "Georges Zuk", a purported French surrealist (born 1925–1997), British-born Canadian academic, writer, poet, translator and anthologist who immigrated to Canada in 1963; a founder and editor of The Mahalat Review
- Daniel Sloate (1931–2009), translator, poet, playwright and academic
- Carolyn Smart (born 1952), English-born poet, author and academic
- Elizabeth Smart (1913–1986), poet and novelist whose book, By Grand Central Station I Sat Down and Wept, detailed her romance with English poet George Barker
- A. J. M. Smith (1902–1980), poet and academic
- Douglas Burnet Smith (born 1949)
- John Smith (born 1927), poet and academic
- Michael V. Smith novelist, poet and filmmaker
- Ron Smith (born 1943), poet, author, editor, playwright, and former academic; founder and co-publisher of Oolichan Books in 1984; influential in the founding of Theytus Books in 1971
- Karen Solie (born 1966)
- John Solomon, writer of erotic poetry books
- David Solway (born 1941), poet, educational theorist, travel writer and literary critic
- Madeline Sonik (born 1960), novelist, short-story writer, children's-book author, editor and poet
- Carolyn Marie Souaid (born 1959), poet and editor, living in Montreal, co-founder of Poetry Quebec magazine
- Raymond Souster(born 1921), poet and (now retired) bank executive
- Esta Spalding (born 1966), American-born Canadian author, screenwriter and poet
- Heather Spears (born 1934), poet, novelist, and artist living in Denmark since 1962
- Birk Sproxton (1943–2007), poet and novelist
- Harold Standish (1919–1972), poet and novelist
- George Stanley, American-born poet and academic associated with the San Francisco Renaissance in his early years, moved to Canada in the 1970s; associated with New Star Books and the Capilano Review
- Carmine Starnino, essayist, educator, and editor
- John Steffler (born 1947), poet and novelist
- Ian Stephens (died 1996), journalist, musician and poet associated with the spoken word movement
- Ricardo Sternberg (born 1948), poet born in Brazil, educated in the United States
- Richard Stevenson
- Shannon Stewart
- W. Gregory Stewart (born 1950), poet, science fiction author, short-story writer who works at a public utility and lives in Los Angeles, California
- John Stiles, poet living in London, United Kingdom
- Anne Stone, poet, writer and performance artist
- Betsy Struthers (born 1951), poet and novelist
- Andrew Suknaski (1942–2012), Saskatchewan poet
- Alan Sullivan (1868–1947), poet, short-story writer, railroad surveyor and mining engineer
- Rosemary Sullivan (born 1947), poet, biographer, academic and anthologist
- Moez Surani (born 1979), poet
- John Sutherland (1919–1956), poet, literary critic, and magazine editor who founded and edited First Statement in 1942 and its successor publication, Northern Review in 1945
- Robert Swanson
- Robert Sward (born 1933), American and Canadian poet and novelist
- George Swede (born 1940), Latvian-born Canadian children's writer and poet who writes Haiku in English
- Todd Swift (born 1966), poet, editor and academic living in the United Kingdom
- Anne Szumigalski (1922–1999)
Read more about this topic: List Of Canadian Poets