The chain is also sharing tacos from around the world, such as the Potaco from India, the Tico Taco from Costa Rica or the Bulgogi Taco from Korea. Taco Bell is based in Irvine, Calif., with over 7,000 locations worldwide.

The University City, Mo., restaurant will offer the Fuego Flight — a special trio of spicy tacos — for one day only on National Taco Day. The item will contain: a Smoked Tofu Taco with housemade green hot sauce, avocado, apple and sesame garnish; a Hot Potato Taco with salsa ají amarillo, pickled vegetables, cotija cheese, almonds and cilantro; and a Hot Wing Taco with a habanero jam-tossed fried chicken wing, ranch-blue cheese crema, cashew, celery and carrot.

The quick-service operator will offer a buy-one-get-one promotion on its Shredded Beef Soft Taco. To redeem the deal, customers can download a digital coupon on the brand’s website.  Del Taco is based in Lake Forest, Calif., and operates over 560 stores across 14 states.

Two-unit poke restaurant Sons of Thunder in New York City will offer two of its Baja fish tacos for the price of one all-day-long on Oct. 4. The taco comes with beer-battered and fried Alaskan cod, shredded cabbage, pickled red onion, house-made mango-kiwi salsa and crema.

The fast-casual chain will get into the National Taco Day festivities by offering tacos priced at $1 all day on Oct. 4. The promotion applies to all tacos except for its California Heat, Shrimp and Fajita tacos. Fuzzy’s is based in Fort Worth, Texas, with over 140 units across 19 states.

At Danny Trejo’s Los Angeles-based restaurants, Trejo’s Tacos and Trejo’s Cantina, a special menu item — the Three Pigs Taco — is available now through Oct. 5 as a nod to National Taco Day. The taco is made with carnitas, bacon, chicharrónes, avocado crema, pico de gallo and fermented red sauce. The limited-time offer can be found at Trejo’s Tacos’ two stores and Trejo’s Cantina’s three units in California.

For National Taco Day fans at Jimboy’s Tacos, the purchase of Original Ground Beef Taco will mean an additional one at no extra cost. Jimboy’s is based in Folsom, Calif., with more than 40 restaurants.

Vandal in New York City will throw a National Taco Day party on Oct. 4 from 7 to 9:30 p.m. The event, hosted by chef and owner Chris Santos, will include an array of different tacos like Mushroom or Korean, other bites as well as tequila cocktails.

The casual-dining brand will celebrate the food holiday by serving up an endless supply of tacos for $8.99 on Oct. 4. The chain will also give a 15-percent discount on all catering orders of Taco Buffets amounting to $200 or more. On The Border is based in Irving, Texas, with over 150 restaurants.

Chicas Tacos in Los Angeles will give a “sneak taste” of its new grilled fish taco to guests on Oct. 4. The taco, topped with Caesar salad and manchego cheese, will officially launch later in the winter.

The quick-service operator is getting into the spirit of National Taco Day a little early with the release of the Texas Street Taco on Oct. 2. The new menu item is made with a choice of carne asada, pork or shredded chicken, caramelized onions, cilantro and cotija cheese in a corn tortilla. On Oct. 4, the brand will give away one Texas Street Taco with the purchase of any adult entrée. After the holiday, the limited-time taco will be available through Nov. 12. Taco Bueno is based in Dallas and has more than 160 units.

From Oct. 4 to 10, the New York City spot will serve a taco of gigantic proportions: The ¡Taco Enorme! The dish weights seven pounds and comes with seven types of cheeses — Chihuahua, queso Oaxaca, goat cheese, queso cotija, queso fresco, Jack cheese and gouda — as well as Wagyu beef, Mexican truffle oil, poblano chiles, caramelized onions, salsa cascabel, chipotle guacamole and crispy corn and flour tortillas. The menu item costs $65 and can feed up to six people.

The fast-casual chain will offer a buy-two-get-one deal on its tacos for loyalty app members from Oct. 4 to 7. Moe’s is based in Atlanta and has over 700 stores.

Full-service Mexican restaurant operator Real Mex Restaurant is celebrating National Taco Day at two of its brands — eight-unit Acapulco and 37-unit El Torito. At Acapulco, any guest that visits and says “taco” will get one free crispy or soft taco. Guests who visit El Torito and say “taco” will get one free soft taco. Real Mex is based in Cypress, Calif.  

The quick-service brand will treat guests to a free Baja Street Taco — made with smoked chicken, cabbage, mango, pico de gallo and Tajín — on Oct. 4. The deal can be redeemed by downloading a coupon on the company website. Green Leaf’s, owned by Villa Restaurant Group, is based in Morristown, N.J., with more than 40 locations.

The fast-casual restaurant will give away one free taco to customers who present a code word from 11 a.m. to 2 p.m. on Oct. 4. To redeem the freebie, customers must follow the brand on Instagram or like its Facebook page, and then look for a code word that will be posted on Oct. 4. Chronic Tacos is based in Aliso Viejo, Calif., with over 50 units.