• Kerwer, Martin, Leibniz Institute for Psychology (ZPID), Trier, Germany
• Keturakis, Viktoras, Department of General and Educational Psychology, Vilnius University, Vilnius, Lithuania
• Keyes, Corey Lee M., Emory University, Atlanta, GA, USA
• Khan, Roxanne, School of Psychology, University of Central Lancashire, Preston, United Kingdom
• Kharas, Mark W., Department of Neuromedicine and Movement Science, Faculty of Medicine and Health Sciences, NTNU Norwegian University of Science and Technology, Trondheim, Norway
• Khetrapal, Neha, Centre for Behavioural and Cognitive Sciences University of Allahabad, Allahabad, India
• Khokhar, C. P., Professor, Department of Psychology, Gurukul Kangri University, Haridwar, India
• Khoshkam, Samira, University of Isfahan, Isfahan
• Kielkiewicz, Krzysztof, All Hallows College, Ireland
• Kim, Eunlak, Korea Institute of Oriental Medicine (KIOM), Daejeon, Republic of Korea
• Kim, Hong Min, SNU College of Medicine, Major in History of Medicine & Medical Humanities, Seoul, Republic of Korea
• Kipkemboi, Mercy Cheptoo, Department of Psychiatry, University of Nairobi, Nairobi, Kenya; Clinical Psychology Department, HealthX Africa, Nairobi, Kenya
• Kirsh, Gillian A., University of Western Ontario
• Kizilhan, Jan Ilhan, Institute for Psychology, Department of Rehabilitation Psychology and Psychotherapy, Workgroup Migration and Rehabilitation, University of Freiburg Baden-Württemberg Cooperative State University, Villingen-Schwennigen
• Kizilhan, Jan Ilhan, Cooperative State University BW, Villingen-Schwennigen, Germany
• Kizilhan, Jan Ilhan, University of Freiburg
• Klanjšek, Rudi, University of Maribor, Department of Sociology
• Klein, Dana, Department of Psychology, University of Western Ontario, London, Ontario, Canada
• Klein, Olivier, Faculty of Psychology and Education, University Libre de Bruxelles, Bruxelles, Belgium
• Klik, Kathleen A., Department of Psychology, University of South Carolina, Sumter, SC, USA
• Klussman, Kristine, Connection Lab, San Francisco, CA, USA
• Klymenko, Ivan, Psychology Department, Ukraine Sigmund Freud University, Kyiv, Ukraine
• Kokkevi, Anna, University Mental Health, Neurosciences, & Precision Medicine Research Institute, “COSTAS STEFANIS” (UMHRI), Athens, Greece; Medical School, National & Kapodistrian University of Athens, Athens, Greece
• Kokkinaki, Theano, Department of Psychology, University of Crete, Rethymnon, Greece
• Kolovelonis, Athanasios, Department of Physical Education and Sport Science, University of Thessaly, Trikala, Greece
• Köppel, Maximilian, Department of Medical Oncology, National Center for Tumor Diseases, Heidelberg University Hospital, Heidelberg, Germany
• Korstanje, Maximiliano E., University John F. Kennedy
• Korstanje, Maximiliano E., University of Moron Argentina
• Koschmieder, Corinna, Department of Differential Psychology, University of Graz, Graz, Austria
• Kosonogov, Vladimir, Affective Psychophysiology Laboratory, Institute of Health Psychology, HSE University, Saint Petersburg, Russian Federation
• Kostoulas-Makrakis, Nelly
• Kostovičová, Lenka, Institute of Applied Psychology, Faculty of Social and Economic Sciences, Comenius University, Bratislava, Slovakia
• Kot, Paweł, Institute of Psychology, The John Paul II Catholic University of Lublin, Lublin, Poland
• Kotlyar, Igor, Faculty of Business and IT, University of Ontario Institute of Technology, Oshawa, Canada
• Koutra, Katerina, University of Crete, Rethymno, 74100, Greece
• Kovac, Velibor Bobo, University of Agder, Kristiansand
• Kováčová Holevová, Bibiána, Department of Psychology, Pavol Jozef Šafárik University, Košice, Slovakia
• Kovalchuk, Liliya Scafuri, Department of Psychology, University of Campania “Luigi Vanvitelli”, Caserta, Italy
• Kőváry, Zoltán, Institute of Psychology, University of Szeged
• Kowalski, Christopher Marcin, Management and Organizational Studies, Department of Psychology, Faculty of Social Science, University of Western Ontario, London, ON, Canada
• Koyuncu, Mustafa, Nevsehir University, Nevsehir, Turkey
• Kozlov, Mikhail D., Luisenklinik, Department of Psychology, Bad Duerrheim, Germany
• Kraaij, Vivian, Department of Psychology, Leiden University, Leiden, the Netherlands
• Krajina, Marijana, Department of Psychology, University of Mostar, Mostar, Bosnia and Herzegovina
• Krammer, Georg, Institute for Educational Sciences, University College of Teacher Education Styria, Graz, Austria
• Krampen, Günter, Department of Psychology, University of Trier, Trier, Germany; Université du Luxembourg, Luxembourg, Luxembourg
• Krampen, Günter, Leibniz Institute for Psychology Information (Germany)
• Krampen, Günter, University of Trier, Trier Université du Luxembourg, Luxembourg
• Krasovska, Nataliya, European University Viadrina Frankfurt (Oder), Frankfurt, Germany
• Krouklidou, Theodora, Department of Economics, Aristotle University of Thessaloniki, Thessaloniki, Greece