刘执经(1829~1878),字益堂,清代数学家,潍城区人.著有"三角钩沉算书"6卷,"天元句股细草"2卷,"代数句股细草"2卷,"推鲁隐公元年春主月朔细草","推鲁僖公五年正月辛亥朔冬至细草","推昭公二十年正月乙丑朔旦冬至细草","推隐公三年二月己巳日有食之细草","推汉太初元年气朔细草","后汉建武元年气朔细草"等.他曾运用数学方法研究自然科学和机器制造.同治初,根据"内府全图"仿造木机自行磨,根据薛风祚"历学会通"仿造升水龙尾车及虹吸自来水装置.