The new sandwich is double-breaded, includes thicker pickles and is served in brioche bun.

Burger King: Free chicken sandwich

Burger King Royal Perks members get a free Ch’King (original, spicy or deluxe) with any purchase of $3 or more Tuesday.

Chick-fil-A: Get a free Peppermint Chip Milkshake with new holiday campaign

Chick-fil-A doesn't have a National Fried Chicken Sandwich Day offer, the chain shared with USA TODAY but some locations may have specials Tuesday. Plus, you can earn rewards with its loyalty program.

But on Tuesday, Chick-fil-A launched a way to get a free Peppermint Chip Milkshake for you and a friend with a new holiday campaign at EvergreenHills.com. At the site, there's a short film and you can sign up to get a printed recipe card with the free shake that will be mailed, while supplies last.

Church's Chicken: Free sandwich with DoorDash order

Church's Chicken released its new Texas-Cut Bacon Chicken Sandwich last week and is giving it away free Tuesday with DoorDash orders of $20 or more.

For the launch of the new chicken sandwich, the chain also is gathering signatures for its national Change.org petition to reinstate Bacon, Texas and get it back on the map.

Del Taco: BOGO Chicken Taco deal

Del Taco's Del Yeah! Rewards members get a BOGO Crispy Chicken Taco offer Tuesday. Rewards registration is required to access deals and there's a limit of one offer per customer.

KFC Fried Chicken Sandwich Day freebie

Kentucky Fried Chicken is celebrating National Fried Chicken Sandwich Day with free chicken sandwiches on Uber Eats with a $15 minimum order. Choose from a free original or spicy KFC Chicken Sandwich.

Also, Tuesday through Thursday, while supplies last, customers who order a qualifying KFC bucket meal for delivery or pickup on KFC.com or the KFC app can claim a free Finger Lickin’ Chicken Mitten Bucket Hugger.

McDonald's free fries, drink with chicken sandwich deal on app

Buy an eligible McDonald's chicken sandwich, which includes the Crispy Chicken Sandwich, Deluxe Chicken Sandwich and Spicy Chicken Sandwich, and get a medium fries and a medium soft drink for free with an offer in the fast-food chain's app.

McDonald's released three chicken sandwiches Feb. 24, including the Deluxe Chicken Sandwich pictured here.

Popeyes Fried Chicken Sandwich Day deal?

The New Orleans-style chain didn’t share a National Fried Chicken Sandwich Day offer with USA TODAY, but you can get a free side for joining the loyalty program.

►Popeyes Thanksgiving turkeys: Popeyes Cajun turkeys are back for Thanksgiving. Here's how to preorder.

Publix BOGO deal on Crispy Chicken Tender Bacon Sandwich

Publix Deli's Crispy Chicken Tender Bacon Sandwich is buy-one-get-one-free Tuesday.

Wendy's: Free Spicy Chicken Sandwich with Pringles purchase

If you buy a can of Pringles Spicy Chicken, there's a code for a free Spicy Chicken Sandwich at Wendy's. Download the Wendy’s app and enter the code from the Pringles lid to get an offer for the freebie with a purchase. Find other deals on the app or at Wendys.com/offers-coupons.

Zaxby's free sandwich with app

New Zax Fanz Club members get a free Signature Sandwich when downloading the Zaxby's app for the first time. This offer is available systemwide at participating locations while supplies last.

More Fried Chicken Sandwich Day 2021 deals

Cotton Patch Cafe: Get the Chicken Fried Chicken Sandwich with a side of fries for $9.

Farmer Boys: From 2 p.m. to close Tuesday, get the chain's Loaded Classic Fried Chicken Sandwich or the Loaded Fiery Fried Chicken Sandwich for $5 each. Limit two per customer, while supplies last.

Jollibee: The chain is offering people the chance to try its Chickenwich for free. "Over the past year, people might have faced chicken sandwich woes from other restaurants that range from dealing with soggy, dry, or bland chicken patties to sad buns," the company told USA TODAY. "In return for any chicken sandwich distress they might have suffered, consumers can head to ChickenSandwichLawyer.com and enter their name and email to see if they are eligible to receive a free, crispy, juicy and tasty Jollibee Chickenwich – all while supplies last, and only at U.S. locations."

Peet's Coffee: The chain says its Chicken & Waffles Sandwich is on sale until early January.

More deals: Individual franchises of national chains might also have freebies and specials for National Fried Chicken Sandwich Day.