Background: family planning refers to the practice of controlling the number and spacing of children within a family, typically the use of contraception or other methods. Aim: The aim of the study was to identify the knowledge attitude and practices of women with reproductive age regarding family planning. Methodology: A descriptive cross-sectional research study design was used. The study population was women with reproductive age regarding family planning. The purposive sampling technique was used and sample size were 129.Result: The study was descriptive cross-sectional so descriptive statistics was applied, frequency distribution was calculated, data normality was checked. The study reported that the participants with low knowledge regarding family planning were 51(39.5%) those with moderate knowledge were 41(31.8%) and the participants with High knowledge were 37(28.7%). The participants with positive attitude were 69(53.5%) those with negative attitude were 60(46.5%). The participants with bad practice were 68(52.7%) and those with good practice were 61(47.3%). Conclusion: The study concluded that the majority of women with reproductive age having low knowledge and bad practices, but have positive attitude regarding family planning in a tertiary care hospital.