Nowadays, English language is one of the most important languages in the world. It is spoken not only in English speaking countries, but also in other countries of the world. It is the official language of huge countries. However, it has several variations. So, sometimes it causes difficulties for linguists, interpreters and other researches. In linguistics, dialect is the language that is used in certain area. Even when two people speak the same language, they may not speak it in the same way. In linguistics, we use the terms dialect and variety to describe the particularities of the speech of any regional or social group. Although all speech (and all language) belongs to one variety or another, the speech of the dominant class is popularly referred to as the standard and the speech of minority groups are labeled as dialects. Knowing the history of the different varieties of a language can tell us a lot about the history of a language, a region, and a people. English language is not only the language of 300 million people who live in America, it is also the native language of England, Canada, New Zealand and so on. The main thought of linguists about the variations of English is as following. Despite that the English is the official language of the countries above, there are several ethnic groups who live in these countries. They have their own language and dialects. And such difference forms this or another variation of English language. This article deals with the social and regional variations of English language. The main purpose of the research paper is to classify all the regional dialects and social variations of English language in different regions.