| Prof. Dr | Xinfeng | Yin | Changsha University of Science and Technology | China | Transportation Engineering | Best Researcher Award | |
| Prof | Xin-Po | SUN | Sichuan University of Science and Engineering | China | Geotechnical Engineering | Best Researcher Award | civilengineeringawards.com |
| Dr | Xin (Cissy) | Ma | U.S. Environmental Protection Agency | United States | Water Resources Engineering | Best Researcher Award | civilengineeringawards.com |
| Assoc. Prof. Dr | Xin | Lai | Wuhan University of Technology | China | Environmental Engineering | Best Researcher Award | civilengineeringawards.com |
| Dr | Xin | Zhang | Zhejiang Gongshang University | China | Environmental Engineering | Best Researcher Award | civilengineeringawards.com |
| Ms | Xin | Cheng | College of Ecology and Environment, Chengdu University of Technology | China | Environmental Chemistry | Best Researcher Award | civilengineeringawards.com |
| Prof | Xie | Wanfeng | Qingdao University | China | Materials Science and Engineering | Best Researcher Award | civilengineeringawards.com |
| Mr | Xichuan | Zheng | School of architecture and urban planning, Guangdong University Of Technology | China | Sustainable Development | Best Researcher Award | |
| Prof | Xiaoyu | Zhao | Tianjin University of Science and Technology | China | Water and Wastewater Treatment | Best Researcher Award | civilengineeringawards.com |
| Dr | Xiaojun | Fang | Guangzhou University | China | Structural Engineering | Best Researcher Award | |
| Prof | Xiaojun | Tan | Sun Yat-sen University | China | Transportation Engineering | Research Excellence Award | civilengineeringawards.com |
| Prof | Xiaojiang | Ye | Wuhan Institute of Technology | China | Structural Engineering | Green Building Excellence Award | civilengineeringawards.com |
| Dr | Xiaohui | Zhong | School of Chemical and Environmental Engineering, Anhui Polytechnic University | China | Materials Science and Engineering | Best Researcher Award | civilengineeringawards.com |
| Prof | Xiaofei | Cao | Wuhan University of Technology | China | Structural Engineering | Best Researcher Award | civilengineeringawards.com |
| Dr | Xiaochun | Yin | New Mexico State University | United States | Water and Wastewater Treatment | Women Researcher Award | |
| Prof. Dr | Xiaobo | Liu | University of Electronic Science and Technology of China | China | Materials Science and Engineering | Best Researcher Award | civilengineeringawards.com |
| Dr | Xiao | Yang | Shandong University | China | Environmental Policy and Management | Best Researcher Award | |
| Assoc. Prof. Dr | Xiao | Huang | Guangxi University | China | Solid Waste Management | Best Researcher Award | civilengineeringawards.com |
| Dr | Xiao | Tingwen | Jinan University, School of Management | China | Others | Best Researcher Award | civilengineeringawards.com |
| Ms | Xiào | Jiayu | Central South University of Forestry and Technology | China | Structural Engineering | Best Researcher Award | civilengineeringawards.com |