Do british passport holders need a visa to enter Cambodia?

Yes, British passport holders need to obtain a visa to enter Cambodia, unless the travel purpose is for tourism for a visit less than 30 days. Tourist visas valid for 30 days upon arrival can be obtained upon entry to Cambodia for most nationalities by submitting two completed passport application forms along with one current 4 x 6 cm visa photo; valid passport of no less than 6 months in excess of the date of arrival of intended visit; payment of requisite visa fees