This Study Aims To Find Out The Effectiveness Of TBLT To Improve College Students' Speaking Skills. English Is One Of The Compulsory Subjects In Elementary, Secondary, And Tertiary Education In Indonesia. However, The Results Of The Indonesian Students In The English Examinations Are Not Very Satisfactory. This Is Due To Many Reasons And One Of Them Is Students' Lack Of Confidence Especially In Speaking English. Teaching Speaking Is Considered To Be Difficult As There Are Various Factors Involved, Both From The Teachers' Part And The Students' As Well. There Have Been Several Approaches Proposed To Overcome This Problem. These Approaches Focus More On Communicational Side Of English Teaching. One Of Them Is Called Task-Based Language Teaching (TBLT). TBL T Uses Authentic Sources Of Teaching Materials With Tasks As The Essence Of The Teaching Instructions. The Research Was Done In A Private College In Bogor. Sixty L" Students Of Non-English Department Are The Subjects Of The Research. They Were Divided Into Two Groups: The Control Group And Experimental Group. Each Group Consisted Of 30 Students. The Control Group Was Taught Using A More Conventional Method, However The Experimental Group Was Taught Using Task- Based Instructions. A Pre And Post Test Were Administered To Both Groups To Find Out The Effectiveness Of TBL T To Improve Their Speaking Skills. The Mean Scores Of Pre And Post English Speaking Tests Were Tabulated Using SPSS To Identify Whether There Was A Difference In Students' Achievement Of Both Groups And Whether The Difference Was Significant Or Not. Questionnaires Were Also Distributed To Find Out Their Perspectives Towards The English Lessons. The Results Of The Tests Were Supported By The Students' Answers In The Questionnaires In Which All Students Of The Experimental Group Showed Significant Improvement In Their Speaking Skills In Term Of Accuracy And Fluency. Their Perspective After Experiencing TBLT In The English Lessons Also Demonstrates A Significant Change Resulting In Students' Higher Self Confidence In Speaking.