Vegetarian and vegan dining in Vietnam — beyond ăn chay

Vietnam has a deep and widely practiced tradition of plant-based eating. Tens of millions of Vietnamese people observe Buddhist vegetarian days each month, which means ăn chay restaurants are common, affordable, and genuinely good. At the same time, Western-style vegan dining — stricter about oyster sauce, shrimp paste, and egg — has also arrived in the main tourist cities. Knowing the difference between the two will save you a lot of frustration.

Vietnamese ăn chay — Buddhist vegetarian tradition

Ăn chay (literally "eat vegetarian") is rooted in Mahayana Buddhism. Most practicing Buddhists avoid meat on the 1st and 15th of the lunar month at minimum; stricter observers follow the full lunar calendar, which can mean up to half the month. On those days, entire street stalls and buffet restaurants flip to an all-vegetarian menu.

The food is genuinely impressive. You will find mock-meat dishes made from tofu, seitan, and mushrooms that mimic pork belly, shrimp, and even roast duck. Bún chay (vegetarian noodle soup), cơm chay (rice plates), and banh mì chay (vegetarian baguette) are all widely available. Prices at a local ăn chay buffet typically run 30,000–60,000 VND for a full plate — among the cheapest meals in Vietnam.

Look for restaurants with the words Quán Chay or Cơm Chay on the sign. A simple Google Maps search for "quan chay" near your location almost always surfaces several options within walking distance in any Vietnamese city or town.

For a broader introduction to plant-based options across the country, see our guide to vegetarian Vietnam.

The fish-sauce caveat

This is the most important thing to understand: ăn chay is not automatically vegan by Western standards.

Many ăn chay cooks and diners consider eggs acceptable (lacto-ovo vegetarian). More critically, some ăn chay cooking — particularly outside of strict pagoda kitchens — uses fish sauce in small amounts for flavour, or uses dried shrimp in broths. The Buddhist interpretation focuses on not killing large animals rather than avoiding all animal products.

If you are strictly vegan or have a shellfish allergy, you cannot simply assume that an ăn chay label covers you. You need to ask, and you need to ask specifically.

Truly vegan Vietnamese restaurants

The foreign-facing vegan restaurant scene has matured quickly. In HCMC, Hanoi, and Hội An you can now find restaurants that explicitly advertise 100% plant-based menus using Western framing — no fish sauce, no eggs, no dairy, no hidden shrimp paste.

These restaurants are generally more expensive than local ăn chay spots. Expect to pay 80,000–180,000 VND for a main course at an English-menu vegan restaurant. That is still reasonable by any international standard, but it is two to four times the price of a local buffet plate.

Hội An vegan scene

Hội An punches well above its size for vegan dining. The Ancient Town and surrounding streets have several dedicated vegan cafes that cater to the large backpacker and long-stay traveller crowd. Many serve smoothie bowls, grain bowls, and Vietnamese classics reworked without animal products.

The Old Town's pedestrian lanes near the central market are a good starting point. Several spots also offer cooking classes focused on vegan Vietnamese food, which can be a worthwhile afternoon activity.

For the full picture of eating in the city, see the Hội An food guide.

HCMC vegan scene

Ho Chi Minh City has the densest concentration of vegan restaurants in Vietnam. Districts 1, 3, and Bình Thạnh all have multiple options. A cluster of vegan restaurants has developed along the Bùi Viện and Phạm Ngũ Lão backpacker strip, and there are higher-end plant-based spots in District 1 catering to expats and visiting professionals.

HCMC also has the largest number of international grocery stores, making self-catering as a vegan considerably easier here than elsewhere in Vietnam.

Hanoi vegan scene

Hanoi's vegan scene is smaller but growing. The Old Quarter has several ăn chay restaurants and a handful of Western-style vegan cafes. The Tây Hồ (West Lake) area — popular with expats — has more options, particularly health-focused cafes and brunch spots with clearly labelled vegan menus.

Hanoi's Buddhist roots are strong and the density of ăn chay restaurants in residential neighbourhoods is high. If you are staying somewhere outside the tourist core, a local chay buffet is often the most reliable vegan meal available.

Common ingredient hidden traps

Even at restaurants that seem vegetarian or vegan, watch out for:

• Fish sauce (nước mắm): Used in almost every savoury Vietnamese dish by default. Some cooks substitute soy sauce for vegetarian guests if asked, but you must ask.
• Shrimp paste (mắm tôm): Common in bún bò Huế broth and some dipping sauces.
• Oyster sauce: Widely used in stir-fries and vegetable dishes, even ones served at ăn chay restaurants that are not strictly vegan.
• Pork-based broths: Many pho and noodle broth bases are made with pork or beef bones. A clear broth is not automatically vegetable-based.
• Egg: Used in fried rice, bánh mì spreads, and many noodle dishes. Standard ăn chay often includes egg.

Ordering vegan at a regular restaurant

When eating at a non-specialist restaurant, a few phrases and strategies help. The phrase "Tôi ăn chay" (I eat vegetarian) signals your needs but, as noted above, may not exclude fish sauce or egg. Adding "Không có trứng, không có nước mắm" (no egg, no fish sauce) makes the request more specific.

Showing a written card in Vietnamese explaining your dietary requirements is often more reliable than speaking, especially outside big cities. Several traveller apps and websites offer printable vegan/vegetarian restaurant cards in Vietnamese — worth preparing before you travel.

Following basic street food etiquette — pointing at ingredients, keeping your order simple, being patient — helps in any food situation, and doubly so when navigating dietary restrictions.

Festival vegetarian (Tết, Vu Lan)

Two periods see a notable spike in vegetarian eating across Vietnam:

Tết (Lunar New Year): Many families eat vegetarian on the first day of the new year as a gesture of purity. Ăn chay restaurants and buffets are busy, and vegetarian options appear at otherwise meat-focused stalls.

Vu Lan (Ghost Festival, usually August): A major Buddhist occasion when many Vietnamese people observe strict vegetarian eating for part or all of the seventh lunar month. This is one of the best times of year to eat plant-based in Vietnam — the range and quality of ăn chay food available even at ordinary market stalls increases substantially.

Common pitfalls

• Assuming "no meat" means vegan: In Vietnamese cooking, meat often means pork or chicken. Fish, shrimp, and seafood may not be considered "meat" by the cook.
• Skipping the question at upscale restaurants: Trendy fusion spots sometimes use fish sauce or anchovy paste as a background flavouring in dishes described as vegetarian. Ask even when the menu looks clean.
• Relying on Google Translate menus alone: Machine translation often misses small modifiers. A dish described as "tofu" may arrive in a broth made from pork bones.
• Underestimating the ăn chay network: Many travellers stick to foreign-facing vegan restaurants and miss the much cheaper and often excellent local Buddhist vegetarian network. On lunar vegetarian days especially, these are worth seeking out.
• Forgetting cooking oil: Some street stalls use lard rather than vegetable oil. This is less common in cities but worth asking about if you are strictly vegan.

Related

• Vegetarian Vietnam — overview
• Hội An food guide
• Street food etiquette
• Vietnamese street food — what to eat first
• Vietnamese food glossary