| Author(s) | Organization(s) | Session |
| Kahre, David M. | University of Münster, Germany | Poster Session (Part IV) |
| Kaiser, Anna | Skopos Connect, Germany | Poster Session (Part II) Presenter |
| Kaiser, Carolin | NIM, Germany | Images and Virtual Reality in Market Research Images and Virtual Reality in Market Research |
| Kasten, Nadine | University of Trier, Germany | Learning Effects, Recall, and Panel Conditioning |
| Kastirke, Nadin | Deutsches Zentrum für Hochschul- und Wissenschaftsforschung (DZHW), Germany; German Centre for Higher Education Research and Science Studies (DZHW), Germany | Poster Session (Part I) Poster Session (Part II) Presenter |
| Kegel, Lena S. | Westfälische Wilhelms-Universität Münster, Germany | Poster Session (Part II) Presenter |
| Kehm, Patricia | DCORE GmbH, Germany | GOR Best Practice Award 2019 Competition I |
| Kern, Christoph | University of Mannheim, Germany | Tracking Political Behaviour |
| Keusch, Florian | University of Mannheim, Germany | Tracking Political Behaviour Using Smartphone Data for Social Science Research |
| Kieruj, Natalia | CentERdata - Tilburg University | Mobility and Activity Data from Smartphones |
| Kim, Eehyun | Yonsei University, Korea, Republic of (South Korea) | Data from Video and Music Platforms Presenter |
| Klaps, Armin | Sigmund Freud Private University, Austria | Activities in Online Communities Understanding Consumer Behaviour Presenter |
| Kloss, Lukas | Sigmund Freud Private University, Austria | Activities in Online Communities |
| Kohne, Julian | GESIS – Leibniz Institute for the Social Sciences, Germany | Data from Video and Music Platforms |
| König, Lars | University of Münster, Germany | Poster Session (Part II) Presenter Privacy and Trust Presenter |
| Kovacovsky, Zuzana | Sigmund Freud Private University, Austria | Activities in Online Communities Understanding Consumer Behaviour |
| Kozka, Anton | Happy Thinking People GmbH, Germany | Digitalization in Qualitative Research: Opportunities, Limitations Presenter |
| Krämer, Andreas | University of Applied Sciences Europe, Germany | GOR Best Practice Award 2019 Competition II Presenter Online Survey Experiments Presenter |
| Krämer, Carina | SPLENDID RESEARCH GmbH, Germany | Poster Session (Part II) Presenter |
| Krause, Stefan | University of Würzburg, Germany | Poster Session (Part III) |
| Kreuter, Frauke | Institute for Employment Research; University of Mannheim; University of Maryland | Using Smartphone Data for Social Science Research Tracking Political Behaviour |
| Krieger, Ulrich | SFB 884, University Mannheim | Push-to-web and Recruitment Presenter Recruitment of Respondents and Participants Presenter |
| Kryzan, Artur | Volkswagen Poland | GOR Best Practice Award 2019 Competition II |
| Kühne, Simon | Universität Bielefeld, Germany | Social Media and Online Communities |
| Kujala, Johanna | Tampere University, Finland | Communication on Social Media |
| Kumar, Pradeep | CentERdata - Tilburg University | Mobility and Activity Data from Smartphones Presenter |
| Kunz, Tanja | GESIS Leibniz Institute for the Social Sciences, Germany | Methods to Improve Questionnaires Presenter Scales and Don't Know Answers |