Thai Idea is a vegetarian spot in the Tenderloin that's open late and never disappoints.

Marnee Thai in the Sunset serves a great mix of classics and regional specialties.

Intu-on is a pop-up making incredible Isaan Thai food.

Farmhouse Kitchen in Oakland’s Jack London is a festive Thai restaurant perfect for birthdays and large groups.

Vientian Cafe is a neighborhood Laotian, Thai, and Vietnamese spot in Allendale.

The original Champa Garden in Oakland’s Ivy Hill serves exceptional Laotian, Thai, and Vietnamese specialties.

Nari is a Thai restaurant in Japantown with a breathtaking dining room and food worth traveling across town for.

House of Thai is a good stop for lunch in the Tendernob when you want good and inexpensive Thai food.

Stop into Rooster & Rice in Union Square for simple and good chicken if you work nearby.

Khan Toke Thai House in the Richmond serves Thai classics in a laid-back atmosphere.

Farmhouse Kitchen is a lively and fun Thai place in the Mission that’s perfect for starting a night out.

Osha Thai is a restaurant on the Embarcadero with great curry and noodle dishes and strong cocktails.

King’s Thai Cuisine in the Richmond makes solid Thai food and is open late night.

Lers Ros Thai in Hayes Valley makes a huge menu of dishes best shared with groups of people.

Head to Zen Yai Thai in the Tenderloin for boat noodles with interesting ingredients.

While this isn’t the closest Thai food to Union Square, it’s walkable, and it’s by far the best option.