Although it's not Tuesday, National Taco Day is Friday, Oct. 4.
Here's a list of some popular spots where you can get taco deals:
Baja Fresh: Sign up for Baja Fresh's email list and get $5 off your order. This is an ongoing deal.
Moe's Southwest Grill: Buy $2 tacos between 2 p.m. and 5 p.m. Limit is three tacos per person, in store only.
On the Border: Endless supply of tacos all day on Oct. 4 for just $9.99.
Taco Bell: The National Taco Day Gift Set is a collection of four incredible hard shell tacos. For just $5 (plus $.50 to help cover the tax), it includes the Crunchy Taco, Fiery, Cool Ranch, and Nacho Cheese Doritos Locos Tacos.
Taco John's: Fans can earn free Crispy Beef Tacos through the TJ Rewards app.