A list of Sign Languages in use around the world.

(with thanks to www.ethnologue.com  
a useful place for  information about world languages)

Sign Languages of the World

ADAMOROBE SIGN LANGUAGE  (Ghana)
ARGENTINE SIGN LANGUAGE   (Argentina)
ARMENIAN SIGN LANGUAGE  (Armenia)
AMERICAN SIGN LANGUAGE  (USA)
AUSTRALIAN SIGN LANGUAGE  (Australia)
ALGERIAN SIGN LANGUAGE  (Algeria)
AUSTRIAN SIGN LANGUAGE  (Austria)
AUSTRALIAN ABORIGINES SIGN LANGUAGE  (Australia)
BRITISH SIGN LANGUAGE  (United Kingdom)
BAN KHOR SIGN LANGUAGE  (Thailand)
BAMAKO SIGN LANGUAGE  (Mali)
BULGARIAN SIGN LANGUAGE (Bulgaria)
BALI SIGN LANGUAGE  (Indonesia (Java and Bali)
BOLIVIAN SIGN LANGUAGE  (Bolivia)
BELGIAN SIGN LANGUAGE  (Belgium)
BRAZILIAN SIGN LANGUAGE  (Brazil)
CHADIAN SIGN LANGUAGE  (Chad)
CATALONIAN SIGN LANGUAGE (Spain)
CHIANGMAI SIGN LANGUAGE  (Thailand)
CZECH SIGN LANGUAGE  (Czech Republic)
CHILEAN SIGN LANGUAGE  (Chile)
CHINESE SIGN LANGUAGE  (China)
COLOMBIAN SIGN LANGUAGE  (Colombia)
COSTA RICAN SIGN LANGUAGE  (Costa Rica)
DOMINICAN SIGN LANGUAGE  (Dominican Republic)
DUTCH SIGN LANGUAGE (Netherlands)
DANISH SIGN LANGUAGE  (Denmark)
ECUADORIAN SIGN LANGUAGE  (Ecuador)
SALVADORAN SIGN LANGUAGE  (El Salvador)
ESTONIAN SIGN LANGUAGE  (Estonia)
ETHIOPIAN SIGN LANGUAGE  (Ethiopia)
QUEBEC SIGN LANGUAGE  (Canada)
FINNISH SIGN LANGUAGE  (Finland)
FRENCH SIGN LANGUAGE (France)
GHANAIAN SIGN LANGUAGE  (Ghana)
GERMAN SIGN LANGUAGE  (Germany)
GUATEMALAN SIGN LANGUAGE  (Guatemala)
GREEK SIGN LANGUAGE  (Greece)
GUINEAN SIGN LANGUAGE  (Guinea)
HANOI SIGN LANGUAGE  (Viet Nam)
HAIPHONG SIGN LANGUAGE  (Viet Nam)
HO CHI MINH CITY SIGN LANGUAGE  (Viet Nam)
HAWAI'I PIDGIN SIGN LANGUAGE  (USA)
HUNGARIAN SIGN LANGUAGE  (Hungary)
HAUSA SIGN LANGUAGE (Nigeria)
ICELANDIC SIGN LANGUAGE  (Iceland)
INDONESIAN SIGN LANGUAGE  (Indonesia (Java and Bali)
INDIAN SIGN LANGUAGE  (India)
ITALIAN SIGN LANGUAGE  (Italy)
IRISH SIGN LANGUAGE  (Ireland)
ISRAELI SIGN LANGUAGE  (Israel)
JAMAICAN COUNTRY SIGN LANGUAGE  (Jamaica)
JORDANIAN SIGN LANGUAGE  (Jordan)
JAPANESE SIGN LANGUAGE   (Japan)
KUALA LUMPUR SIGN LANGUAGE  (Malaysia Peninsular)
KOREAN SIGN LANGUAGE  (Korea, South)
LIBYAN SIGN LANGUAGE  (Libya)
LITHUANIAN SIGN LANGUAGE  (Lithuania)
LYONS SIGN LANGUAGE  (France)
LATVIAN SIGN LANGUAGE  (Latvia)
LAOS SIGN LANGUAGE  (Laos)
MALTESE SIGN LANGUAGE  (Malta)
MEXICAN SIGN LANGUAGE  (Mexico)
MARTHA'S VINEYARD SIGN LANGUAGE  (USA)
YUCATEC MAYA SIGN LANGUAGE  (Mexico)
< MOZAMBICAN SIGN LANGUAGE  (Mozambique)
NAMIBIAN SIGN LANGUAGE  (Namibia)
NICARAGUAN SIGN LANGUAGE  (Nicaragua)
NIGERIAN SIGN LANGUAGE  (Nigeria)
NORWEGIAN SIGN LANGUAGE  (Norway)
NEPALESE SIGN LANGUAGE  (Nepal)
MARITIME SIGN LANGUAGE  (Canada)
NEW ZEALAND SIGN LANGUAGE  (New Zealand)
OLD KENTISH SIGN LANGUAGE  (United Kingdom)
PAKISTAN SIGN LANGUAGE  (Pakistan)
PERUVIAN SIGN LANGUAGE  (Peru)
PROVIDENCIA SIGN LANGUAGE  (Colombia)
PERSIAN SIGN LANGUAGE  (Iran)
PENANG SIGN LANGUAGE  (Malaysia (Peninsular))
< PUERTO RICAN SIGN LANGUAGE  (Puerto Rico)<
POLISH SIGN LANGUAGE  (Poland)
PHILIPPINE SIGN LANGUAGE  (Philippines)
PORTUGUESE SIGN LANGUAGE  (Portugal)
MONGOLIAN SIGN LANGUAGE  (Mongolia)
ROMANIAN SIGN LANGUAGE   (Romania)>
RENNELLESE SIGN LANGUAGE  (Solomon Islands)
RUSSIAN SIGN LANGUAGE  [RSL] (Russia (Europe))
SAUDI ARABIAN SIGN LANGUAGE  (Saudi Arabia)
SOUTH AFRICAN SIGN LANGUAGE  (South Africa)
SWISS-GERMAN SIGN LANGUAGE  (Switzerland)
SWISS-ITALIAN SIGN LANGUAGE  (Switzerland)
SINGAPORE SIGN LANGUAGE  (Singapore)
SRI LANKAN SIGN LANGUAGE ; (Sri Lanka)
SPANISH SIGN LANGUAGE  (Spain)
SWISS-FRENCH SIGN LANGUAGE  (Switzerland)
SLOVAKIAN SIGN LANGUAGE  (Slovakia)
SWEDISH SIGN LANGUAGE  (Sweden)
TUNISIAN SIGN LANGUAGE  (Tunisia)
TURKISH SIGN LANGUAGE  (Turkey (Asia))
THAI SIGN LANGUAGE  (Thailand)
TAIWANESE SIGN LANGUAGE  (Taiwan)
TANZANIAN SIGN LANGUAGE  (Tanzania)
UGANDAN SIGN LANGUAGE  (Uganda)
URUGUAYAN SIGN LANGUAGE  (Uruguay)
UKRAINIAN SIGN LANGUAGE   (Ukraine)
URUB*ö-KAAPOR SIGN LANGUAGE  (Brazil)
< VENEZUELAN SIGN LANGUAGE  (Venezuela)
KENYAN SIGN LANGUAGE  (Kenya)
MALAYSIAN SIGN LANGUAGE  (Malaysia (Peninsular))
MOROCCAN SIGN LANGUAGE  (Morocco)
YIDDISH SIGN LANGUAGE  (Israel)
YUGOSLAVIAN SIGN LANGUAGE  (Yugoslavia)
ZIMBABWEAN SIGN LANGUAGE  (Zimbabwe)
ZAMBIAN SIGN LANGUAGE  (Zambia)