• Jones, Siân Emily, Department of Psychology, Goldsmiths College, University of London, London, United Kingdom
• Jonsson, Bert, Department of Psychology, Umeå University, Umeå, Sweden
• Jörchel, Amrei C., Department of Psychology, Sigmund Freud PrivatUniversität, Vienna, Austria
• Jose, Maria, Department of Psychology, University of Surrey, Guildford, United Kingdom
• Jose, Paul E., Victoria University of Wellington, Wellington, New Zealand
• Joyner, Chelsea, Department of Health, Exercise Science and Recreation Management, Physical Activity Epidemiology Laboratory, Exercise Psychology Laboratory, The University of Mississippi, Oxford, MS, USA
• Jun, Ren, Professor at the Psychology Department, Zhe Jiang Normal University
• Jung, Joon Hyung, Department of Psychiatry, College of Medicine, Chungbuk National University, Republic of Korea
• Jurcik, Tomas, Department of Psychology, HSE University, Moscow, Russian Federation
• Kaernbach, Christian, Institute for Psychology, Christian-Albrechts-University, Kiel, Germany
• Kajonius, Petri J., Department of Psychology, University of Gothenburg, Gothenburg, Sweden; Department of Psychology, University West, Trollhättan, Sweden; Department of Cognitive Neuroscience and Philosophy, University of Skövde, Skövde, Sweden
• Kajonius, Petri J., Department of Social and Behavioural Studies, Division of Psychology and Organizational Studies, University West, Trollhättan, Sweden
• Kakarika, Maria, Euromed Management, Marseille, France
• Kalamazh, Ruslana Volodymyrivna, Department of Psychology and Pedagogy, National University of Ostroh Academy, Ostroh, Ukraine
• Kallová, Nikola, Institute for Research in Social Communication, Slovak Academy of Sciences, Bratislava, Slovakia
• Kalyva, Efrosini, City College, International Faculty of the University of Sheffield, Thessaloniki
• Kamtsios, Spiridon, Independent Researcher, Ioannina, Greece
• Kamushadze, Tamar, Department of Psychology, Ivane Javakhishvili Tbilisi State University, Tbilisi, Georgia
• Kanavou, Eleftheria, University Mental Health, Neurosciences, & Precision Medicine Research Institute, “COSTAS STEFANIS” (UMHRI), Athens, Greece
• Kandler, Christian, Department of Psychology, Personality Psychology and Psychological Assessment, Bielefeld University, Bielefeld, Germany
• Kanellakis, Pavlo, South Staffordshire and Shropshire Healthcare NHS Foundation Trust, UK
• Kanellakis, Pavlo, Kanellakis and Associates, London, United Kingdom
• Kang, Minsoo, Health and Sports Analytics Laboratory, Department of Health, Exercise Science and Recreation Management, The University of Mississippi, University, MS, United States
• Kanovský, Martin, Institute of Social Anthropology, Faculty of Social and Economic Sciences, Comenius University in Bratislava, Bratislava, Slovakia
• Kanwar, Palak, Department of Psychology, Christ University, Bangalore, Karnataka, India
• Karademas, Evangelos, Department of Psychology, University of Crete, Rethymno, Greece
• Karagiannopoulou, Evangelia, Department of Philosophy, Education and Psychology, University of Ioannina, Ioannina, Greece
• Karagiannopoulou, Evangelia, Department of Philosophy, Pedagogy and Psychology, Section Psychology, University of Ioannina, Ioannina, Greece
• Karamushka, Liudmyla, Psychology Department, Ukraine Sigmund Freud University, Kyiv, Ukraine; Psychology Department, State University of Economics and Technology, Kryvyi Rih, Ukraine
• Karavasilis, Gavriil, Department of Educational Sciences and Social Work, University of Patras, Patras, Greece
• Kareshki, Hossein, Department of Education and Psychology, Ferdowsi University of Mashhad, Mashhad, Iran
• Karim, Jahanvash, CERGAM, IAE d’Aix-en-Provence, France
• Karl, Johannes, Dublin City University, Dublin, Ireland
• Karunarathne, Rotumba A. I. C., Department of Human Resource Management, Faculty of Commerce and Management Studies, University of Kelaniya, Dalugama, Sri Lanka
• Karwowski, Maciej, University of Wrocław, Wrocław, Poland
• Karwowski, Maciej, Creative Education Lab, Academy of Special Education (Poland)
• Kaspar, Kai, Institute of Psychology, University of Osnabrück, Osnabrück, Germany; Institute of Cognitive Science, University of Osnabrück, Osnabrück, Germany
• Kastrup, Bernardo, Independent Scholar, Veldhoven, The Netherlands
• Katerelos, Theodora E., University of Quebec in Montreal, Quebec, Canada
• Kateri, Evangelia, Department of Psychology, University of Crete, Rethymno, Greece
• Katz, Gary S., California State University, Northridge
• Kaufman, James C., University of Connecticut, Storrs, CT, USA
• Kaufmann, Marlen, The Institute for Work and Health of the German Social Accident Insurance, Dresden, Germany
• Kay-Lambkin, Frances, University of Newcastle, Newcastle, Australia; NHMRC Centre for Research Excellence in Mental Health & Substance Abuse, Macquarie University, Sydney, Australia; Hunter Medical Research Institute, Newcastle, Australia; Centre for Brain and Mental Health Priority Research Centre, University of Newcastle, Newcastle, Australia; Society for Mental Health Research, Victoria, Australia; International Society for Research on Internet Interventions, Sanford, NC, USA
• Kayis, Ahmet Rifat, Department of Psychological Counselling and Guidance, Anadolu University, Eskisehir, Turkey
• Kaymak Gülseren, Z. Asude , Department of Psychology, Bahçeşehir University, İstanbul, Türkiye
• Kazarian, Shahe S., American University of Beirut
• Kazemi, Ali, School of Health and Education, University of Skövde, Skövde, Sweden
• Keijsers, Ger P. J., Behavioural Science Institute, Radboud University, Nijmegen, the Netherlands; Clinical Psychological Science, Maastricht University, Maastricht, the Netherlands
• Kelley, James L., Independent Researcher, Norman, OK, USA