wrote in message
...
We are US citizens with US passports. Our travel agent is proposing
that we connect in Ho Chi Minh City to get from Kuala Lumpur to Siem
Rep. Would we need Vietnamese visas for this itinerary? I could not
find useful guidance on the web site for the Vietnamese embassy in the
US.

You need a new travel agent!
Both AirAsia and Malaysia fly direct from KL to Siem Reap. Why a connection
in HCMC?

Gerry