Occupational hazards are a globally major cause of disability and mortality among working population. Welding is industrial process in which welders are exposed to many hazards and problems during their welding process. Aim of the study: was to assess awareness of occupational health hazards and related problems among welders in Sharkia Governorate. Subjects & Methods: Research Design: A descriptive cross- sectional design was used to conduct this study to achieve the aim of this study. Setting: This study carried out at Al’Ashir Min Ramadan City in Sharkia Governorate. Subject: One hundred welders were selected by using a multistage random sample from nine steel industries. Tools of data collection tools: Two tools were used to collect the necessary data for achieving the study objective: An interviewing questionnaire to assess demographic characteristics, work related data, occupational health hazard and problems, and awareness about various occupational hazard and related problems. Results: The highest hazardous exposures and related its problems was physical (100%) followed by mechanical (99%, 98%) respectively, chemical (92%), and psychological (81 %,). Moreover, overall exposure to hazards and related problems was (74% & 76%) respectively. Additionally, 47% of welders had high awareness of occupational hazards and related problems. Conclusion: All studied welders exposed to occupational health hazards and related problems. As well, overall exposure to hazards was high among less than three quarters of study sample. While, the total problems due to exposures was high among more than three quarters of study sample. Furthermore, less than half of welders had high awareness. Recommendations: Education & training programs should be carried out regularly for educating welders about occupational health hazards and related problems, and further studies in other industries to detect magnitude of occupational health hazards and related problems.