Ontario

Though I can't vouch for them being 'famous' in standard other than in a literary sense, they are all published Authors in Ontario:

Mark Abley

Milton Acorn

Sylvia Adams

Linda Asksomitis

Charlotte Van Allen

Sidney Allinson

Mel D. Ames

Rod Anderson

Gail Anderson-Dargatz

Bruce Andrews

Jim Andrews

Renee Angers

Jeannette Armstrong

David Arnason

Margaret Atwood

Martin Avery

Margaret Avison

Anita Rau Badami

D.F. Bailey

Shauna Sing Baldwin John Ballem

Volodimir Barabash

Bruce Barber

Douglas Barbour

Joan Barfoot

Joyce Barkhouse

Gary Barwin

Brian Bartlett

Judy Fong Bates

Ronald Bates

Jack Batten

Nancy Bauer

Victor-Levy Beaulieu

Henry Beissel

William Bell

Jonathan Bennett

Nigel Benntett

Jo Beverly

Sadhu Binning

Sandra Birdsell

Earle Birney

Bill Bissett

Neil Bissoondath

Marie-Claire Blais

Clark Blaise

Seymour Blicker

Marianne Bluger

Dennies Bock

Roo Borson

Lillian Bouzane

Sarah Bowden

Paul Bowrding

Gail Bowen

George Bowering

Marilyn Bowering

Tim Bowling

David Boyd

Karen Bradford

Max Braithwaite

Di Brandt

Clare Braux

Brian Brett

Paul Brians

Julie Brickman

Robert Bringhurst

Bertram Booker

David Bromige

Nicole Brossard

Michael Bryson

Robert Budde

Margaret Buffie

Bonnie Burnard

Mick Burrs

Catherine Bush

Sharon Butala

Margo Button

Anthony M. Buzzelli

Morley Callaghan

Silver Donald Cameron

Phil Campagna

Anne Campbell

Bliss Carmen

David Carpenter

Roch Carrier

Gillian Chan

Wayson Choy

Lesley Choyce

Eliza Clarke

George Elliot Clarke

Lynn Coady

Leonard Cohen

Helena Coleman

Mary-Ellen Lang Collura

Ralph Conner AKA CHarles William Gordon

Hugh Cook

Michael Cook

Dennis Cooley

J. Paul Cooper

Douglas Coupland

Isabella Valancy Crawford

Lynn Crosbie

Lorna Crozier

Peter Cummings

Alan Cumyn

Richard Cumyn

Robert Currie

Herb Curtis

Leona Czwartkowski

Annie Charlton Dalton

Jillian Dagg

Annie Charlton Dalton

Beverley Daurio

Frank Davey

Lauren Davis

Robertson Davies

Sandra Dempsey

Barry Dempster

Erika de Vasconcelos

William Deverell

Christopher Dewdney

Pier Giorgio Di Cicco

Don Dickinson

Mary di Michele

Don Domanski

Anne M. Dooley

Candas Dorsey

Marion Douglas

Heather Down

Glen Downie

Stan Dragland

Joseph Jean Rolland Dube

Marcel Dube

Jacqueline Dumas

Dave Duncan

Warren Dunford

Edward Dyck

Celia Elkins

Victor Jerrett Enns

Cary Fagan

Edmundo Farolan

Brian Fawcett

Trevor Ferguson

Mona Fertig

Joy Fielding

Timothy Findley

Joe Fiorito

Alan Fisk

Sheree Fitch

Judith Fitzgerald

Anne Fleming

Barbara Fletcher

Cynthia Flood

Helen Forrester

Cecil Foster

Norm Foster

Tess Fragoulis

Raymond Fraser

Heather Frayne

Louis Frechette

Bernice Friesen

Patrick Friesen

Mark Frutkin

Northrop Frye

Robert Fulford

Nicola Fulong

James V. Fusco

Dayle Campbell Gaetz

Grover Gall

Mavis Gallant

Hector de Saint-Denys Garneau

Bill Gaston

Gratien Gelinas

Camilla Gibb

Graeme Gibson

Margaret Gibson

William Gibson

Rachna Gilmore

David Gilmour

Joanna Glass

Susan Glickman

Douglas Glover

David Godfrey

George Godwin

Leona Gom

Beth Goobie

Alison Gordon

Katherine Govier

Barbara Gowdy

Neil Graham

Alan Grandbois

Vanessa Grant

John Gray

Terence M. Green

Frederick Phillip Grove

Richard Grove

Sandra Gulland

Genni Gunn

Sandra Gwyn

Louise Bernice Halfe

Jane Hamilton

CLaire Harris

Christie Harris

Majorie Harris

Troon Harrison

Barbara Haworth-Attard

Anne Herbert

Robert Hilles

Jack Hodgins

Hugh Hood

Cornelia Hoogland

Jan Horner

Harold Horwood

James Houston

Matt Hughes

Bruce Hunter

Catherine Hunter

Hazel Hutchins

Bruce Hutchins

Michael Ignatieff

Susan Ioannou

Anne Ireland

Kevin Irie

Joan Irvine

Frances Itani

Sally Ito

Donald Jack

Marie Jakober

Beth Jankola

Catherine Jenkins

Marvyne Jenoff

K. V. Johansen

E. Pauline Johnson (Tekahionwake)

Julie Johnston

Wayne Johnstone

Dennis Jones

Terry Jordan

Catherine Joyce

Judith Kalman

Surjeet Kalsey

Welwyn Wilton Katz

Patrick Kavanagh

Guy Gavriel Kay

Lionel Kearns

Janice Kulyk Keefer

Patrick Keeney

M. T. Kelly

Nora Kelly

Penn Kemp

Susan Kerslake

Joseph Kertes

Crawford Kilian

Crad Kilodney

Thomas King

Kim Kinrade

W. P. Kinsella

Ed Kleiman

Ann English Knight

Raymond Knister

Joy Kogawa

Lawrence Kootnikoff

Richelle Kosar

Myrna Kostash

Henry Kriesel

Robert Kroetsch

Lydia Kwa

Barbara Lambert

Patrick Lane

Margaret Laurence

Karen Lawrence

P. Scott Lawrence

Irving Layton

Stephen Leacock

Pauline Le Bel

John B. Lee

Nancy Lee

Shelley A. Leedahl

Terry Leeder

Mark Leiren-Young

Lino Leitao

John Lent

Yan Li

Norma West Linder

Dorothy Livesay

Billie Livingston

Charles Long

Malcolm Lowry

Janet Lunn

Jeanette Lynes

Agnes Maule Machar

Isabel Ecclestone Mackay

Anne-Marie Macdonald

Hugh MacDonald

Jake MacDonald

Judy MacDonald

Mark MacDonald

Tanis MacDonald

Sharon MacFarlane

Hugh MacLennan

Alistair MacLeod

Mary Jane Maffini

Antonine Maillet

Alice Major

Kevin Major

Robert Majzels

Carol Malyon

Eli Mandel

Miriam Mandel

David Margoshes

Nicole Markotic

Daphne Marlatt

John Marlyn

Malka Marom

Donald Martin

Dona Paul Massel

Shirlee Smith Matherson

Ashok Mathur

Antonino Mazza

Rhonda McAdam

Nellie McClung

Eric McCormack

Judy Berlyne McCrosky

david MCFadden

Sheyl McFarlane

Ally McKay

Don McKay

Karen McLaughlin

Stuart McLean

Susan McMaster

Janet McNaughton

Sylvia McNicoll

Peri Phillips McQuay

George McWhirter

Mary Meigs

O.R. Melling

John Metcalf

Bruce Meyer

David Mibashan

Anne Michaels

Christine Michels Gaston Miron

Rohinto Mistry

W.O. Mitchell

Jane Mitchell

Jennifer Anne Mitton

Anne Montagnes

L.M. Montgomery

Brian Moore

Ishbel Moore

Mavor Moore

Shani Mootoo

Bernice Morgan

Kim Moritsugu

Kim Morrissey

Stephen Morrissey

Hope Morritt

Colin Mortin

Daniel David Moses

Erin Moure

Claire Mowat

Farley Mowat

Babara Curry Mulcahy

Karen Mulholland

Robin Lester Muller

Alice Munro

Jane Southwell Munro

Jim Munroe

Robert Munsch

Allison Muri

Rona Murray

John Murrell

Susan Musgrave

John Newlove

Brian Nation

George D. Nicholls

Kimberlley Nickmann

Alden Nowlan

James Norman

Sheldon Oberman

Thomas O'Grady

Frank O'Hara

Michael Ondaatje

Josh O'Neill

Richard Outram

Miriam Packer

P.K. Page

Uma Parameswaran

George Payerle

Molly Peacock

Helen Pereira

Kayla Perrin

Len Peterson

Shelley Peterson

Alison Pick

Marjorie Pickthall

Leslie Hall Pinder

Ted Plantos

Simone Poirier-Bures

Daniel Poliquin

Sharon Pollock

Judith Pond

Helen Fogwell Porter

E.J. Pratt

Robert Priest

Al Purdy

Andrew Pyper

Darlene Quaife

Paul Quarrington

Patricia Quinlan

Thomas Raddal

Gurcharan Rampuri

Lynetta Rasmussen

Mary Razzell

James C. Reaney Sr.

Michael Redhill

Robert Rees

Shane Rhodes

Nino Ricci

David Adams Richards

Mordecai Richler

Nanci Richler

T.F. Rigelhof

Gwen Pharis Ringwood

Erica Ritter

Karen Rivers

Kevin Roberts

Paul William Roberts

J. Jill Robinson

Spider Robinson

Ajmer Rhode

Don Rogalski

Linda Rogers

Leon Rooke

Sinclair Ross

Claire Rothman

Gabrielle Roy

Jane Rule

George Ryga

Lake Sagaris

Rick Salutin

Alan Sandercott

Barbara Sapergia

Robyn Sarah

John Ralston Saul

Robert J. Sawyer

Liba Scheier

Bill Schermbrucker

Diane Schoemperlen

Andreas Schroeder

Andreas Schroeder

Alvin Schwartz

Barbara Scott

Gail Scott

Richard Scrimger

Shyam Selvadurai

Christina Senkiw

Robert Service

Kathy Shaidle

Mark Shainblum

Sarah Sheard

Nazneen Anwar Sheikh (Sadiq)

Gisela Tobien Sherman

Murphy O Shewchuk

Carol Shields

Gerry Shikatani

Lorne Shirinian

Sandy Shreve

Antanas Sileika

Lynda Simons

Anne Simpson

Hal Sisson

Marsha Skrypush

Josef Skvorecky

Michael Slade

Beverly Slopen

Elizabeth Smart

E. Russell Smith

Ed Smith

Ray Smith

Robert Arthur Smith

Ron Smith

Russell Smith

Steven Ross Smith

Taylor Smith

Barbara Smucker

Donna Smythe

Mary Soderstorm

Karen Solie

Jill Solnicki

Glen Sorestad

Linda Spalding

Dorothy Speak

Heather Spears

Birk Sproxton

Cherylyn Stacey

Sara Stambaugh

George Stanley

J. J. Steinfeld

Susan Stenson

Richard Stevenson

Kathy Stinson

Anne Stone

Patricia A. Stone

Nellie P. Strowbridge

Peter Such

Rosemary Sullivan

Andrew Suknaski

Don Summerhayes

Meran Summers

Susan Swan

James L. Swanson

Robert Sward

George Swede

George Szanto

Gladys Taylor

Kevin Taylor

Timothy Taylor

Vanna Tessier

Leona Theis

Sharon Thesen

Audrey Thomas

H. Nigel Thomas

William J. Thomas

Elizabeth Thornton

Harry Thurston

Eva Tihanyi

Larry Tilander

Miriam Toews

Lola Lemire Tostevin

Rhea Tregebov

Michel Tremblay

Dietmar Trommeshauser

Maxine Trottier

Stuart Douglas Trueman

Jan Truss

Karen X. Tulchinsky

Priscila Uppal

Jane Urquhart

Geoffrey Ursell

W. D. Valgardson

Edo Van Belkom

Julia van Gorder

Aritha Van Herk

Guy Vanderhaeghe

Brian Vanderclip

Kees Vanderhayden

M.G. Vassanji

Elizabeth Verkoczy

Elisabeth Vonarburg

Colleen Wagner

Fred Wah

Anne F. Walker

Eric Walters

Betsy Warland

Ted Warnell

David Watmough

David Watmough

Tina Leanne Waugh

Frank wscott

Elizabeth Wellburn and Deryk Houston

Thomas Wharton

John Weier

William Weintraub

Patience Wheatley

Armin Wiebe

Rudy Wiebe

Diana Wieler

Dave Williamson

Alan R. Wilson

Budge Wilson

John Wilson

Carol Windley

Catherine Wismer

Mary Woodbury

Marnie Woodrow

L. R. Wright

Richard B. Wright

Time Wynne-Jones

Joel Yanofsky

Paul Yee

Dianne Young

Patricia Young

Eve Zaremba

Robert L.J. Zenik

Carolyn Zonailo