| Date: | 2–10 August |
| Edition: | 27th |
| Location: | Aptos, California, United States |
| Champs: |  Marcos Baghdatis |
| Champd: |  Ruben Bemelmans /  Laurynas Grigelis |
The 2014 Comerica Bank Challenger was a professional tennis tournament played on hard courts. It was the 27th edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Aptos, California, United States between 2 and 10 August July 2014.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Kazakhstan | Mikhail Kukushkin | 54 | 1 | |
| Cyprus | Marcos Baghdatis | 105 | 2 | |
 Russian Federation | Evgeny Donskoy | 111 | 3 | |
 Japan | Go Soeda | 115 | 4 | |
 India | Somdev Devvarman | 132 | 5 | |
| Ante Pavić | 139 | 6 | ||
 Uzbekistan | Farrukh Dustov | 144 | 7 | |
 Hungary | Márton Fucsovics | 154 | 8 |
The following players received wildcards into the singles main draw:
Andre Dome Marcos Giron Kevin King Mackenzie McDonaldThe following players received entry from the qualifying draw:
Dennis Nevolo Daniel Nguyen Sanam Singh Yasutaka UchiyamaThe following player entered into the singles main draw as an alternative:
See main article: 2014 Comerica Bank Challenger – Singles.
Marcos Baghdatis def. Mikhail Kukushkin 7–6(9–7), 6–4See main article: 2014 Comerica Bank Challenger – Doubles.
Ruben Bemelmans / Laurynas Grigelis def. Purav Raja / Sanam Singh 6–3, 4–6, [11–9]