List of defenses to 1NT
# List of defenses to 1NT

This is a list of defensive conventions used in the game of contract bridge to compete in the bidding after the opponents have opened with a one notrump (1NT) bid.

* ANTI
* Aspro
* Asptro, a hybrid of Astro and Aspro
* Astro, Modified Astro, Pinpoint Astro, Grano-Astro, Roth-Stone Astro
* Astrolite
* Becker
* Bergen over 1NT (see DONT)
* Blue Club transfers (see Transfer overcalls)
* Brozel
* Cansino, Modified Cansino
* Canape transfers
* Cappelletti, Modified Cappelletti, Revised Cappelletti
* CDH Buchanan
* CHASM
* Comfy Canapé or CoCa
* CRASH (aka CRO)
* Crowhurst convention
* DONT, Revised DONT
* Exclusion bids (aka Super Convention)
* Feathertson
* Feel Away Notrump (FAN)
* Feel Oriented Notrump Destroyer (FOND)
* Gates adjunct
* Grano-Astro (see Astro)
* Hamilton
* Hello
* Kelsey
* Landy
* Lionel
* Maestro Double
* Meckwell
* Meyerson
* Modified Astro (see Astro)
* Mohan
* MONK
* Mylläri
* Multi-Landy
* Nilsland
* Pinpoint Astro (see Astro)
* Pottage, Revised Pottage
* Power
* RCO
* Ripstra
* Roche convention
* Roth
* Roth-Stone Astro (see Astro)
* Sahara convention
* Scorrchio
* Sharples convention, Modified Sharples
* Soap convention
* Splash convention
* Suction, Twerb Suction, Suction Redwood
* Supernatural
* Tizi convention
* Toss convention
* Transfer overcalls
* TRASH
* Uni-club
* Vroom convention
* Modified Wallis
* Westwood convention See also WIND convention and WINDA
* WIND convention
* WINDA
* WONT
* Woolsey
