| Date: | February 28 – March 5 |
| Edition: | 3rd |
| Category: | Grand Prix (Group C) USLTA Indoor circuit |
| Prize Money: | $35,000 |
| Draw: | 32S / 15D |
| Surface: | Carpet / indoor |
| Location: | Hampton, Virginia, United States |
| Venue: | Hampton Roads Coliseum |
| Champs: |  Stan Smith[1] |
| Champd: |  Ilie Năstase / Ion Țiriac[2] |
| After Name: | Coliseum Mall International |
| Main Name: | Hampton Grand Prix |
The 1972 National Indoor Championships, also known as the Hampton Indoor, was a men's tennis tournament played on indoor carpet courts at the Hampton Roads Coliseum in Hampton, Virginia in the United States that was part of Group C of the 1972 Grand Prix circuit as well as of the 1972 USLTA Indoor Circuit. It was the third edition of the tournament and was held from February 28 through March 5, 1972. First-seeded Stan Smith won the singles title and earned $9,000 first-prize money.[3] [4]
See main article: 1972 National Indoor Championships – Singles. Stan Smith defeated Ilie Năstase 6–3, 6–2, 6–7(3–5), 6–4
See main article: 1972 National Indoor Championships – Doubles. Ilie Năstase / Ion Țiriac defeated 
Andrés Gimeno / Manuel Orantes 7–5, 7–5