U.S. citizens do not require a Tourist Visa to enter South Africa. However, a U.S. passport is required:
Your U.S. passport must be valid for a minimum of 6 months from the date you plan to depart South Africa.
Your passport must have adequate unused visa pages to allow for entry and exit stamps upon arrival and departure from South Africa. Please note that Amendment pages in the back of your passport are not to be used for entry and exit stamps or visa issuance.
If you need assistance applying for a passport, renewing your current passport or adding passport pages to your passport Passport Visas Express.com can help.
Select PassportU.S. passport holders do not require a visa for a stay of under 90 days.
Non U.S. passport holders are required to apply in person at the nearest South African Embassy or consulate.