Nowadays, online newspaper has drawn the increasing attention of the public. In Vietnam, online newspapers, especially those in foreign languages, have played an important role in providing information for foreign affairs. Through investigating thirty online news discourses updated on five online newspapers in English by Vietnamese translators, the author found that many grammatical cohesive devices have been used in online news discourses. However, the frequency of occurrence of grammatical cohesive devices is different from each others. .