| 2007 |
| Great Lakes Great Books Award (grades 9-12) |
The Blue Girl (2004) |
| Grand Canyon Reader Award Nominee |
The Blue Girl (2004) |
| Finalist, British Fantasy Award for Best Novel (The August Derleth Fantasy Award) |
Widdershins (2006) |
| 2006 |
| 2006 White Pine Award, Ontario Library Association Best Canadian young adult fiction |
The Blue Girl (2004) |
| Amazon.com Editors' Picks: Top 10 Science Fiction & Fantasy Books of 2006. Number one choice for novel |
Widdershins (Tor, 2006) |
| 2005 |
| YALSA Best Books for Young Adults selected by the Young Adult Library Services Association/American Library Association |
The Blue Girl (2004) |
| 2004 |
| Finalist, World Fantasy Award, for short fiction |
A Circle of Cats (Viking 2003) |
| 2003 |
| Finalist, World Fantasy Award, for collection |
Waifs and Strays (Viking 2002) |
| Finalist, World Fantasy Award, for novella |
Seven Wild Sisters (Subterranean Press 2002) |
| Booklist Top 10 Fantasy Books for Youth selected by the American Library Association |
Waifs and Strays (2002) |
| YALSA Best Books for Young Adults selected by the Young Adult Library Services Association/American Library Association |
Seven Wild Sisters (Subterranean Press 2002) |
| YALSA Popular Paperbacks for Young Adults selected by the Young Adult Library Services Association/American Library Association |
Jack of Kinrowan (2002 edition) |
| 2002 |
| Finalist, World Fantasy Award, for novel |
The Onion Girl (Tor 2001) |
| 2001 |
| Finalist, Nebula Award, for novel |
Forests of the Heart (Tor 2000) |
| Finalist, Mythopoeic Fantasy Award for Adult Literature for novel |
Forests of the Heart (Tor 2000) |
| 2000 |
| World Fantasy Award for Best Collection |
Moonlight and Vines (1999) |
| 1999 |
| Finalist, World Fantasy Award, for novel |
Someplace to be Flying (Tor 1998) |
| 1998 |
| Finalist, World Fantasy Award, for novel |
Trader (Tor 1997) |
| YALSA Best Books for Young Adults selected by the Young Adult Library Services Association/American Library Association |
Trader (1997) |
| 1997 |
| Prix Ozone for Best Foreign Fantasy Short Story |
"Timeskip" (translated as "Comme un disque rayé" in Territoires de l'inquiétude 9, Denoel, 1996) |
| 1996 |
| Finalist, World Fantasy Award, for collection |
The Ivory and the Horn (Tor 1995) |
| 1994 |
| Finalist, World Fantasy Award, for collection |
Dreams Underfoot (Tor 1993) |
| Finalist, World Fantasy Award, for short story |
"The Moon is Drowning While I Sleep" (Snow White, Blood Red, AvoNova 1993) |
| 1993 |
| Finalist, World Fantasy Award, for novel |
Spiritwalk (Tor 1992) |
| Finalist, World Fantasy Award, for novella |
"Paperjack" (Cheap Street 1992) |
| Finalist, World Fantasy Award, for short story |
"Bridges" (Magazine of F&SF, Oct/Nov 1992) |
| 1992 |
| Finalist, World Fantasy Award, for novel |
The Little Country (Morrow 1991) |
| Finalist, World Fantasy Award, for novella |
"Our Lady of the Harbour" (Axolotl Press 1991) |
| Finalist, World Fantasy Award, for short story |
"The Conjure Man" (After the King, Tor 1991) |
| New York Public Library's Best Books for the Teen Age |
The Little Country (Morrow 1991) |
| HOMer Award for Best Fantasy Novel presented by the CompuServe Science Fiction & Fantasy Forum |
The Little Country (Morrow 1991) |
| 1991 |
| Finalist, Bram Stoker Award, Horror Writers' Association, for novelette |
"Death Leaves an Echo" (Café Purgatorium, Tor 1991) |
| Reality 1 Commendations Best Fantasy Author Award (known as the RICkie), presented by TV Ontario's Prisoners Of Gravity |
|
| 1989 |
| Readercon Small Press Award for Best Short Work |
"The Drowned Man's Reel" (Triskell Press 1988) |
| 1988 |
| Canadian SF/Fantasy Award (formerly known as the Casper; now called the Aurora) for Best Work in English |
Jack, the Giant-Killer (Ace 1987) |
| 1984 |
| William L. Crawford Award for Best New Fantasy Author of 1984 presented by the International Association for the Fantastic in the Arts |
Moonheart (Ace 1984) |
| 1982 |
| Small Press and Artists Organization Award for Fiction |
|