| Date: | 14–20 October |
| Edition: | 5th (men) 3rd (women) |
| Surface: | Hard / Indoor |
| Location: | Calgary, Canada |
| Category: | ATP Challenger Tour ITF Women's World Tennis Tour |
| Champms: |  Murphy Cassone |
| Champmd: | Ryan Seggerman / Patrik Trhac |
| Champws: |  Rebecca Marino |
| Champwd: | Kayla Cross / Maribella Zamarripa |
| Main Name: | Calgary Challenger |
The 2024 Calgary National Bank Challenger was a professional tennis tournament played on indoor hard courts. It was the fifth edition of the tournament which was part of the 2024 ATP Challenger Tour and the third edition of the tournament which was part of the 2024 ITF Women's World Tennis Tour. It took place in Calgary, Canada between 14 and 20 October 2024.
See main article: 2024 Calgary National Bank Challenger – Men's singles.
Murphy Cassone def. Govind Nanda 4–6, 6–3, 6–4.See main article: 2024 Calgary National Bank Challenger – Women's singles.
Rebecca Marino def. Anna Rogers 7–5, 6–4See main article: 2024 Calgary National Bank Challenger – Men's doubles.
Ryan Seggerman / Patrik Trhac def. Robert Cash / JJ Tracy 6–3, 7–6(7–3).See main article: 2024 Calgary National Bank Challenger – Women's doubles.
Kayla Cross / Maribella Zamarripa def. Robin Anderson / Dalayna Hewitt 6–7(3–7), 7–5, [12–10]| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Poland | Maks Kaśnikowski | 174 | 1 | |
| United States | Patrick Kypson | 184 | 2 | |
 Tunisia | Aziz Dougaz | 220 | 3 | |
 Australia | Bernard Tomic | 233 | 4 | |
 Colombia | Nicolás Mejía | 240 | 5 | |
| Canada | Alexis Galarneau | 249 | 6 | |
| Canada | Liam Draxl | 259 | 7 | |
 Japan | James Trotter | 260 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Murphy Cassone Benjamin Thomas George Patrick Maloney
Àlex Martínez Govind Nanda Alfredo Perez| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Tatjana Maria | 93 | 1 | ||
| Canada | Rebecca Marino | 136 | 2 | |
 Czech Republic | Gabriela Knutson | 179 | 3 | |
| Lucija Ćirić Bagarić | 204 | 4 | ||
| United States | Maria Mateas | 214 | 5 | |
 Lithuania | Justina Mikulskytė | 223 | 6 | |
| Anouk Koevermans | 234 | 7 | ||
| United States | Robin Anderson | 257 | 8 |
The following players received wildcards into the singles main draw:
Cadence Brace Isabelle Boulais Alexia Jacobs Mia KupresThe following player received entry into the main draw as a special exempt:
The following player received entry into the singles main draw using a special ranking:
The following players received entry from the qualifying draw:
Fiona Crawley Jessica Failla Ayumi Koshiishi Karina Miller Urszula Radwańska Anna Rogers Amy Zhu