Internal marketing is process of attracting, developing, motivating and sustaining novice nursing graduates by providing them with the necessities they need and wants, so this study aimed to assess effect of educational program for internal marketing on novice nursing graduates job performance Aim; This study aimed assess effect of educational program for internal marketing on novice nursing graduates job performance. Study design; a quasi-experimental design was utilized to conduct this study. Setting; this study was conducted at Tanta University Hospitals are emergency hospital, ophthalmology hospital, main university hospital, student hospital, and psychiatric medicine center. Subject; all (n=122) novice nursing graduates in previously mentioned setting were chosen for conducting this study. Data collection tools: Tool (I) Novice nursing graduates perception and knowledge about internal marketing and job performance questionnaire. Tool (II) Novice nursing graduates job performance practice observational checklist. Results; The results of this study showed preprogram, 75.4% of novice nursing graduates had low level of perception of internal marketing, all novice nursing graduates had low level of knowledge and unsatisfactory level of job performance practice. Post program, 63.1% showed high level of knowledge and 36.9% showed moderate level as well as only 6.6% showed satisfactory level of job performance. There was statistically significant improvement of novice nursing graduate's total knowledge and job performance post program than pre. Conclusion; Implementation of internal marketing program had a significant improvement in novice nursing graduates’ knowledge and practice of performance. Recommendation; the current study recommended that, novice nursing graduates need to have pre occupation orientation training program on their job description roles and responsibilities.