Yes, Laos is visa-free for Swiss citizens for a stay of up to 15 days. This implies that Swiss nationals can enter Laos without a visa and stay in the country for up to 15 days without limitation.
If you want to stay in Laos for more than 15 days, you must apply for a visa. A visa can be obtained at a Lao embassy or consulate in your home country, or from the airport in Vientiane.
The Laos visa requirements for Swiss citizens are:
A Swiss national will be notified through email whether they are successful in acquiring a Laos eVisa.
If the e-Visa is not granted for any reason, Swiss applicants must contact their nearest Laos embassy or consulate to apply for a Laos visa.