| Date: | October 29 – November 4 |
| Edition: | 8th |
| Category: | ITF Women's Circuit |
| Surface: | Hard – indoors |
| Location: | Toronto, Ontario, Canada |
| Venue: | Rexall Centre |
| Champs: |  Eugenie Bouchard |
| Champd: | Gabriela Dabrowski /  Alla Kudryavtseva |
The 2012 Tevlin Women's Challenger was a professional tennis tournament played on indoor hard courts. It was the 8th edition of the tournament and part of the 2012 ITF Women's Circuit, offering a total of $50,000 in prize money. It took place in Toronto, Ontario, Canada between October 29 and November 4, 2012.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Maria Sanchez | 151 | 1 | ||
| Canada | Stéphanie Dubois | 153 | 2 | |
| Jessica Pegula | 156 | 3 | ||
| Canada | Eugenie Bouchard | 169 | 4 | |
| Canada | Sharon Fichman | 193 | 5 | |
| Kathrin Wörle | 213 | 6 | ||
| Russian Federation | Alla Kudryavtseva | 245 | 7 | |
| Julia Boserup | 255 | 8 |
The following players received wildcards into the singles main draw:
Françoise Abanda Gloria Liang Rebecca Marino Erin RoutliffeThe following players received entry from the qualifying draw:
Sherazad Benamar Elisabeth Fournier Sonja Molnar Carol ZhaoSee main article: 2012 Tevlin Women's Challenger – Singles.
Eugenie Bouchard def. Sharon Fichman, 6–1, 6–2See main article: 2012 Tevlin Women's Challenger – Doubles.
Gabriela Dabrowski / Alla Kudryavtseva def. Eugenie Bouchard / 
Jessica Pegula, 6–2, 7–6(7–2)