OBJECTIVES: Study aimed to assess Knowledge Attitude and Practice of Family Planning among married women attending tertiary care Hospital Quetta METHODS: A cross sectional study was conducted in obstetrics & gynaecology wards from public sector hospitals of Quetta. Data was collected from February-September 2016 from 503 Females who were sexually active, willing to participate and able to understand Urdu and local languages. Knowledge, attitude and practices on family planning were assessed with the help of predesigned questionnaire. Statistical analysis was done by using SPSS version 20. Descriptive and inferential statistics used where applicable. RESULTS: Result showed that out of 503 women, majority (41.2%) were uneducated, house wife (79.1%), Pashtun (40.6%), (89.7%) belong to urban area and (43.7%) had married life span of 6-10 years. 500 (99.4%) had knowledge about family planning and their methods and its source was TV/Radio (28.8%) followed by health care personal (22.7%). 497(98.8%) believed that use of family planning methods is beneficial, (62.0%) health care providers encourage the use of family planning services. 430 (85.5%) women were practicing family planning methods out of which most of them were using condom (39.4%) followed by Oral Contraceptive (20.3%). Reason for practicing these methods were Prevention of unwanted birth (35.9%), followed by Spacing of birth (27.6%). The relationship between Knowledge and Attitude was investigated using Pearson product-moment correlation coefficient. There was a small, positive correlation between Knowledge-Attitude [r=0.83, p=0.064], Knowledge-Practice [r=0.119, p=0.008] and Attitude-Practice [r=0.119, p=0.001] was observed. CONCLUSIONS:  Study concluded that overall KAP was good among women towards contraception. Husband being dominant member plays the pivotal role in approving the family size and contraceptive practices. Women education and counseling of couples can play an important role to adopt family planning methods. There is a need to improve the educational status of the females to improve understanding and uptake of modern contraceptives