Other name for diazepam?

What other names does diazepam go by?

Diazepam is also sold under the brand name Valium. [1]

Is diazepam a generic name or brand name?

“Diazepam” is the generic name. “Valium” is the brand name. [1]

Are there other common “alternate” names you might see?

Depending on the country, diazepam may also appear under other brand names, but Valium is the best-known alternative name in common use. [1]

Sources:
[1] https://www.drugs.com/diazepam.html