Mongolia 
Vietnam
Mongolia passport holders do not need a visa to visit Vietnam for stays of up to 30 days.
Mongolia's consular service lists Vietnam among the countries to which Mongolian citizens are exempted from visa: all passports, up to 30 days, in force since 7 March 2024.
“28 Вьетнам Бүх төрлийн паспортаар 30 хоног хүртэл / 2024.03.07”
Source: Ministry of Foreign Affairs of Mongolia, Consular Department (consul.mn) — countries and regions Mongolian citizens may visit without a visa · checked 13 Oct 2026
Mongolia citizens can enter Vietnam without a visa and stay for up to 30 days. You only need a valid Mongolia passport at the border; immigration officers may still ask for a return or onward ticket, proof of accommodation and enough money for your stay. The 30-day limit usually counts calendar days from your arrival, so book your return flight inside that window.
Whatever your visa status, Vietnam applies the same entry conditions to every traveller:
Vietnam lets 39 passports in without a visa, issues eVisas to 159. Mongolia citizens are treated the same way as Brunei, Cambodia, Indonesia, Japan and Kazakhstan. Overall the Mongolia passport ranks #132 in the world with 36 visa-free destinations.
Planning a longer trip in Asia? With a Mongolia passport you can also visit 12 countries in the region without a visa, including Hong Kong, Kyrgyzstan, Kazakhstan, Laos, Macau, Malaysia, Philippines and Singapore.
In the other direction, Vietnam citizens can visit Mongolia visa-free for up to 30 days.
Entry requirements for VietnamFor an e-visa, the e-visa's validity must be at least 30 days shorter than your passport's. No Vietnamese official source we could read states a passport-validity rule for visa-exempt visitors; the UK Foreign Office says a British passport must have an expiry date at least 6 months after the date you arrive.
Vietnam National e-Visa Portal (Immigration Department) — FAQs✓ Checked 13 Oct 2026
Your passport needs at least 2 blank pages.
UK FCDO travel advice — Vietnam entry requirements✓ Checked 13 Oct 2026
WHO's country list records no yellow fever vaccination requirement at entry to Viet Nam.
WHO — Vaccination requirements and recommendations for international travellers, country list (ITH 2022)✓ Checked 13 Oct 2026
No official source we could read states whether travel insurance is required to enter Viet Nam. The e-visa portal lists the conditions for an e-visa as holding a passport and not falling under the cases of suspension from entry in Article 21 of the entry law; travel insurance is not among them.
No official source we could read states whether an onward or return ticket is required to enter Viet Nam. The e-visa portal lists the conditions for an e-visa as holding a passport and not falling under the cases of suspension from entry in Article 21 of the entry law; an onward or return ticket is not among them.
No official source we could read states whether proof of funds is required to enter Viet Nam. The e-visa portal lists the conditions for an e-visa as holding a passport and not falling under the cases of suspension from entry in Article 21 of the entry law; proof of funds is not among them.
The Immigration Department highly recommends completing the pre-arrival form at prearrival.immigration.gov.vn before entering Vietnam, saying it saves time and makes entry swifter.
Vietnam Immigration Department — Pre-arrival Information Submission for Visitors, Passenger Information step (recommended on the e-Visa portal, evisa.gov.vn)✓ Checked 7 Oct 2026
A foreigner staying temporarily in Viet Nam declares temporary residence through the manager of the accommodation establishment to the commune, ward or township police, or the police station or post, where the establishment is located. The establishment must ask the foreigner to show a passport or international travel document, and papers on residence in Viet Nam, before agreeing to let the foreigner stay. The declaration is made electronically or on a paper form. With a paper form, the manager must deliver it within 12 hours, or 24 hours in remote areas, of the foreigner's arrival. An establishment that does not declare temporary residence is fined VND 3,000,000 to 5,000,000 for 1 to 3 foreigners, VND 10,000,000 to 15,000,000 for 4 to 8, and VND 15,000,000 to 20,000,000 for 9 or more.
National Database of Legal Documents (vbpl.vn, Ministry of Justice) — Law 23/2023/QH15 amending Law 47/2014/QH13, Art. 2 cl. 5 (new Art. 33)✓ Checked 13 Oct 2026
Under Decree 282/2025/NĐ-CP, a foreigner who stays past the term of their temporary residence certification without permission is fined by length of overstay: VND 500,000 to 2,000,000 for under 16 days; 5,000,000 to 10,000,000 for 16 to under 30 days; 10,000,000 to 15,000,000 for 30 to under 60 days; 15,000,000 to 20,000,000 for 60 to under 90 days; 20,000,000 to 25,000,000 for 90 to under 180 days; 25,000,000 to 30,000,000 for 180 days to under 1 year; and 30,000,000 to 40,000,000 for 1 year or more. Expulsion may also be imposed for overstays of 16 days or more. Under the Law on Entry, Exit, Transit and Residence of Foreigners, the immigration control unit grants every foreigner entering Viet Nam this temporary residence certification, and the foreigner may stay within its term.
Government of Viet Nam, Official Gazette (Công báo) No. 1583+1584 of 17-11-2025 — Decree 282/2025/NĐ-CP on administrative sanctions (security, order, social safety), Article 21✓ Checked 13 Oct 2026
Vietnam Customs says travellers entering with foreign-currency cash over 5,000 USD (or the equivalent) or Vietnamese cash over 15,000,000 VND must declare it to customs at the border gate.
General Department of Vietnam Customs — Cash and foreign currency carried on entry (Circular 15/2011/TT-NHNN)✓ Checked 13 Oct 2026
Data: TravelRequirements.info — Entry Requirements Dataset, AXG Sp. z o.o. (CC BY 4.0). Entry rules can change — confirm with official sources before travel.
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