- Ludwig Maximilian University of Munich DEQARINST0335 DE0021 Ludwig-Maximilians-Universität München Munich (Germany)
- Luís de Camões Autonomous University of Lisbon DEQARINST2153 PT0073 Universidade Autónoma de Lisboa Luís de Camões Lisboa (Portugal)
- Luleå University of Technology DEQARINST2308 SE0010 Luleå tekniska universitet Luleå (Sweden)
- Lumière University Lyon 2 (Université de Lyon ) DEQARINST1042 FR0158 Université Lumière - Lyon 2 Lyon (France)
- Lund University DEQARINST2300 SE0002 Lunds universitet Lund (Sweden)
- Malmö Academy of Music (Lund University) DEQARINST5805 Musikhögskolan i Malmö Malmö (Sweden)
- LUNEX DEQARINST4690 LU0002 Differdange (Luxembourg)
- Lusíada University - North (University Lusiada) DEQARINST4841 PT0143 Universidade Lusíada - Norte Porto (Portugal)
- Lusíada University of Lisbon (University Lusiada) DEQARINST2155 PT0077 Universidade Lusíada Lisboa (Portugal)
- Lusophone University of Oporto DEQARINST2159 PT0081 Universidade Lusófona do Porto Porto (Portugal)
- Lusófona University DEQARINST7774 PT0819 Universidade Lusófona Lisboa (Portugal)
- Lusófona University of Humanities and Technologies DEQARINST2158 PT0080 Universidade Lusófona de Humanidades e Tecnologias Lisboa (Portugal)
- Lutherische Theologische Hochschule Oberursel DEQARINST4942 DE0900 Oberursel (Germany)
- Luxembourg School of Business DEQARINST7118 LU0003 Luxembourg School of Business Luxembourg (Luxembourg)
- Luzern University of Teacher Education DEQARINST0219 CH0036 Pädagogische Hochschule Luzern Luzern (Switzerland)
- Luzyce Higher School in Zary DEQARINST4705 PL0078 Łużycka Szkoła Wyższa im. Jana Benedykta Solfy z siedzibą w Żarach Żary (Poland)
- Lviv Polytechnic National University DEQARINST3313 Національний університет "Львівська політехніка" Ukraine
- Lycée Technique de Bonnevoie DEQARINST8657 Luxembourg (Luxembourg)
- Lycée des Arts et Métiers DEQARINST8650 Luxembourg (Luxembourg)
- Lycée Guillaume Kroll DEQARINST8652 Esch-sur-Alzette (Luxembourg)