ABSTRACT The study examined environmental and motivational factors affecting quality research writing of postgraduate education students in Ekiti State University, Ado Ekiti, Ekiti State, Nigeria. The study adopted a descriptive research design of a survey type. The population used for this study was all the available postgraduate’s students in the faculty of education totaling 325. The study sampled 84 postgraduate students using a simple random sampling techniques. A well-structured questionnaire was used to collect data for the study. The instrument was validated and its reliability was ensured in a pilot study carried on 10 postgraduate students who were not part of the sample. Mean and standard deviation were used to answered the research questions while one-sample t-test was used to test the hypotheses at 0.05 level of significance. The findings revealed that environmental factors significantly affecting the quality of research writing of postgraduates’ students. Also, the study found that statistically, motivational factors are affecting the quality of research writing of postgraduate students in Ekiti State University, Ado Ekiti. The study concluded that environmental and motivational factors can lead to subpar research outcomes and even prompt some students to consider discontinuing their postgraduate programs. The study recommended that; the University administration and faculty should address the environment issues by providing an enabling environment for postgraduate students which would improve their research writing, and that the University administration and faculty members should motivate postgraduate students through mentorship programs, scholarship or research grant, and recognition of their accomplishments. Keywords: Postgraduate Students, Quality Research, Motivation, Environment, Research Writing. Journal Reference Format: Onajite, G.O., Ogunleye, A.W. & Enijuni, A.T. (2023): Environmental and Motivational Factors Affecting Quality Research Writing of Postgraduate Education Students in Ekiti State University, Ado Ekiti, Ekiti State, Nigeria. Humanities, Management, Arts, Education & the Social Sciences Journal. Vol. 11. No. 3, Pp 47-58. www.isteams.net/humanitiesjournal. dx.doi.org/10.22624/AIMS/HUMANITIES/V11N3P4