Leiden University, Delft University of Technology and the Erasmus University Rotterdam have worked together for many years on numerous aspects of teaching, research and valorisation. In 2012 this collaboration was formalised in the Leiden-Delft-Erasmus Universities strategic alliance.

Many study programmes offer the opportunity to do an internship or research project, either as a compulsory part of the curriculum or to earn elective credits.

How can you find an internship or research project and what arrangements do you need to make?

How can you find an internship or research project and what arrangements do you need to make?

Leiden University, Delft University of Technology and the Erasmus University Rotterdam have worked together for many years on numerous aspects of teaching, research and valorisation. In 2012 this collaboration was formalised in the Leiden-Delft-Erasmus Universities strategic alliance.

How can you find an internship or research project and what arrangements do you need to make?

How can you find an internship or research project and what arrangements do you need to make?

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

When writing a thesis or paper you must make good use of the insights you have gained during your lectures and studies so far. You should also refer to relevant literature and carry out your own research on the topic.

Leiden University, Delft University of Technology and the Erasmus University Rotterdam have worked together for many years on numerous aspects of teaching, research and valorisation. In 2012 this collaboration was formalised in the Leiden-Delft-Erasmus Universities strategic alliance.

Lecture

Leiden University, Delft University of Technology and the Erasmus University Rotterdam have worked together for many years on numerous aspects of teaching, research and valorisation. In 2012 this collaboration was formalised in the Leiden-Delft-Erasmus Universities strategic alliance.

Are you a BA student writing your thesis in the first semester of 2025-2026? Does your course program not offer a thesis seminar? Come and participate in the Humanities Thesis Seminar, provided by the Writing Lab!

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

Study support

Arts and leisure

Schedules

Lecture, LUCIS What's New?! Series

Schedules

At faculty and study programme level there are various regulations in place to ensure that everything runs as it should. For example, there are thesis and faculty regulations, as well as rules and guidelines on assessments, exams, degree classifications and plagiarism.

Many study programmes offer the opportunity to do an internship or research project, either as a compulsory part of the curriculum or to earn elective credits.

Leiden University, Delft University of Technology and the Erasmus University Rotterdam have worked together for many years on numerous aspects of teaching, research and valorisation. In 2012 this collaboration was formalised in the Leiden-Delft-Erasmus Universities strategic alliance.

Study support

Lecture and Exhibition

Writing a master’s thesis in Political Science is a demanding yet rewarding journey. Every year, students deliver impressive research that showcases their analytical skills and academic rigor. This year, one thesis stood out for its exceptional quality. On 31 October 2025, during the master’s graduation…

What does 'leadership' mean to you? In the Leiden Leadership Programme, you will find out. The LLP gives you tools to develop yourself personally, professionally and societally.

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

Welcome to Leiden University

Master

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

Orange the World 2025

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

There are countless ways to meet new people, at your own study programme and faculty or anywhere else in the university.

To arrange before departure

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

When deciding what to study you undoubtedly read a lot of information about your study programme. Leiden University employs various systems to provide information about programmes and courses and to facilitate communication between lecturers and students.

Career and apply for jobs

Conference, Call for papers

Film screening and Book Launch

‘If it rains later, then I’ll take the car.’ In order to reason, we use sentences containing ‘if’ every single day. But how does that work exactly in the Dutch language? Alex Reuneker wrote his 628 page dissertation on the subject. Ceremony on 26 January.

Book Presentation | Studium Generale Lecture

You can find an overview of the projects and a list of all research trainees below.

According to Law student Jasmijn van Lochem, you can learn a lot in seven months. For the ‘Onderzoeksassistent’ (Research Assistant) course, part of the Honours College Law, she conducted research on the African Court on Human and Peoples’ Rights in collaboration with Misha Plagis, Assistant Professor…

Welcome to Leiden University

Welcome to Leiden University