ECWA may refer to:

• Evangelical Church Winning All, Church with over 10 million in total attendance worldwide
• East Coast Wrestling Association, an American professional wrestling promotion

• Gyor–Celldomolk railway
• Gyosaku Morozumi
• Gyosei High School
• Gyosei International C.
• Gyosei International College
• Gyosei International College in the U.K.
• Gyosei International College in the UK
• Gyosei International High School
• Gyosei International Junior High School
• Gyosei International Primary, Junior High, Senior High School
• Gyosei International Primary School
• Gyosei International School (England)
• Gyosei International School Uk
• Gyosei International School UK
• Gyosei International School (United Kingdom)
• Gyosei International Senior High School
• Gyosei Intl College in UK
• Gyosei Intl School UK
• Gyosei Japanese School
• Gyosei Japanese school
• Gyosei Junior and Senior High School
• Gyosei Junior High School
• Gyosei Kokusai Gakuen
• Gyosei Kokusai Kotogakko
• Gyosei School