There are many teaching techniques used by the English teachers/lecturers to improve English skills especially speaking. Speaking is considered as the most difficult skill since in Indonesia English plays as an international language. For that reason, the lecturers have to select the appropriate teaching techniques in order to gain the students' attention and motivation. One of the techniques is English Debate. The objective of this study is to know whether English Debate can improve the students' speaking skill. This study belongs to classroom action research which is applied for the ESA (English Students Association) of the fourth semester students of English Education Department of Muria Kudus University in the academic year 2014/2015. In the class, the students are taught by using English Debate technique. The result of this study shows that the students' mean score of cycle 1 is 69.28 and it can be categorized into sufficient. Then the writers continued to cycle 2. The result of the students' mean score of speaking ability is 80.14 and it can be categorized into good. It can be concluded that English Debate technique can be used by the English teachers/lecturers in the English class to improve students speaking skill. In the English Debate, there is a topic that force the debaters to speak in English. In addition, English Debate technique can also be used to improve students' vocabulary. Keyword: Speaking, English Debate ABSTRAK Ada beberapa teknik pembelajaranyang dapat digunakan oleh guru/dosen Bahasa Inggris untuk meningkatkan kemampuan Bahasa Inggris terutama berbicara (speaking).Speaking dianggap sebagai kemampuan yang paling sulit karena di Indonesia Bahasa Inggris merupakan bahasa internasional. Berdasarkan alas an tersebut, dosen harus memilih teknik pembelajaran yang tepat untuk meningkatkan perhatian dan motivasi mahasiswa. Salah satu teknik pengajaran tersebut adalah teknik English Debate. Tujuan dari penelitian ini adalah untuk mengetahui apakah teknik English Debate dapat meningkatkan kemampuan speaking mahasiswa. Penelitian ini merupakan Penelitian Tindakan Kelas yang diterapkan terhadap mahasiswa ESA (English Students Assiciation) semester 4 Pendidian Bahasa Inggris Universitas Muria Kudus tahun akademik 2014/2015. Selamaa proses pembelajaran, mahasiswa diajar dengan menggunakan teknik English Debate. Hasil penelitian menunjukkan bahwa nilai rata-ratanya mahasiswa si siklus 1 adalah 69,28 dan dapat dikategorikan menjadi cukup. Kemudian peneliti melanjutkan ke siklus 2. Hasil nilai rata-rata nilaispeaking mahasiswa adalah 80,14 dan dapat di kategorikan menjadi baik. Berdasarkan data