- Source: 2023 Calgary National Bank Challenger
- 2023 Calgary National Bank Challenger
- 2023 Calgary National Bank Challenger – Men's singles
- 2023 Calgary National Bank Challenger – Women's doubles
- 2023 Calgary National Bank Challenger – Women's singles
- 2023 Calgary National Bank Challenger – Men's doubles
- 2024 Calgary National Bank Challenger – Men's singles
- 2024 Calgary National Bank Challenger – Men's doubles
- 2024 Calgary National Bank Challenger – Women's doubles
- 2024 Calgary National Bank Challenger
- 2022 Calgary National Bank Challenger
The 2023 Calgary National Bank Challenger was a professional tennis tournament played on indoor hard courts. It was the fourth edition of the tournament which was part of the 2023 ATP Challenger Tour and the second edition of the tournament which was part of the 2023 ITF Women's World Tennis Tour. It took place in Calgary, Canada between 6 and 12 November 2023.
Champions
= Men's singles
=Liam Draxl def. Dominik Koepfer 6–4, 6–3.
= Women's singles
=Sabine Lisicki def. Stacey Fung 7–6(7–2), 6–7(5–7), 6–3.
= Men's doubles
=Juan Carlos Aguilar / Justin Boulais def. Charles Broom / Ben Jones 6–3, 6–2.
= Women's doubles
=Sarah Beth Grey / Eden Silva def. Hanna Chang / Katarina Jokić, 6–4, 6–4
Men's singles main draw entrants
= Seeds
=1 Rankings are as of 30 October 2023.
= Other entrants
=The following players received wildcards into the singles main draw:
Justin Boulais
Liam Draxl
Dan Martin
The following players received entry from the qualifying draw:
Juan Carlos Aguilar
Patrick Brady
Iñaki Montes de la Torre
Kiranpal Pannu
Ryan Seggerman
Enzo Wallart
Women's singles main draw entrants
= Seeds
=1 Rankings are as of 23 October 2023.
= Other entrants
=The following players received wildcards into the singles main draw:
Kayla Cross
Alexia Jacobs
Martyna Ostrzygalo
Layne Sleeth
The following players received entry from the qualifying draw:
Isabelle Boulais
Katarina Jokić
Kylie McKenzie
Martina Okáľová
Kira Pavlova
Caroline Roméo
Allura Zamarripa
Amy Zhu
The following player received entry as a lucky loser:
Nagi Hanatani