Is a visa required for Sri Lanka for US citizens?

Related questions

1. Is Sri Lanka visa on arrival?
2. Do I need a visa to visit Sri Lanka?
3. Do I need to print my visa for Sri Lanka?
4. Is malaria a risk in Sri Lanka?
5. What vaccinations do I need for Sri Lanka?
6. How can I get Sri Lanka tourist visa?
7. What is the best time of year to visit Sri Lanka?
8. Do you need a return ticket to enter Sri Lanka?
9. How long can I stay in Sri Lanka?
10. Do I need injections for Sri Lanka?

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18. #electronic