Fully Funded List of Summer Internships in Japan 2025

Are you looking to taste Japan’s rich culture while advancing your profession through an overseas summer internship? Students worldwide will have a fantastic opportunity to participate in fully paid internships in Japan in 2025. Imagine earning invaluable experience while spending your summer in one of the world’s most creative and culturally fascinating nations. Here is a list of Japan’s best wholly financed summer internships that you shouldn’t miss if this sounds like the ideal trip.

1. Summer Student Program at Sokendai KEK 2025

Host: Japan

Location: Campus of KEK Tsukuba and Tokai

Duration: Eight weeks, from June to August 2025

Due date: March 3, 2025

Advantages: Completely financed

Link: Summer Student Program at Sokendai KEK

Through this esteemed program, you can participate in cutting-edge research at the KEK High Energy Accelerator Research Organization. Take advantage of a fully supported stay and collaborate with top experts in engineering, physics, and other disciplines.

2. The 2025 HENNGE Global Internship Program

Host: Japan

Location: Tokyo’s Shibuya

Time frame: Four to six weeks

Advantages: Completely financed

Link: Global Internship at HENNGE

This internship at HENNGE, situated in the vibrant tech district of Shibuya, is ideal for anyone with a strong interest in the tech sector. HENNGE provides a stimulating work environment regardless of your field of expertise, engineering, marketing, or product management and there is no application deadline.

3. Japan 2025 OIST Internship

Host: Japan

Institution: Okinawa Institute of Science and Technology is the institution.

Time frame: Three to six months

Internship Type: Fully Paid 

Eligibility: All international students are eligible to apply.

Link: Internship at OIST

This internship provides an in-depth look at research at one of Japan’s leading institutes. With everything taken care of for you, the OIST Internship offers the ideal chance to participate in cutting-edge research for students pursuing bachelor’s, master’s, or doctoral degrees.

4. Japan’s Toyota Boshoku Summer Internship

Host: Japan 

Location: Aichi, Japan

Duration: Two months, from June 23 to August 31, 2025

Due date: February 28, 2025

Advantages: Financed

Link: Summer Internship at Toyota Boshoku

Enroll in the Toyota Boshoku internship program to work with the world’s foremost innovators in automotive technology. This opportunity allows you to explore the cultural beauty of Aichi while gaining practical experience in design and manufacturing.

5. Japan’s NIMS Internship 2025

Institution: NIMS

Time frame: 90 days

Dates: 1 April 2025–31 March 2026.

Deadline: March 31, 2025

Link: Japanese NIMS Internship

Up to 100 spots are available for this highly competitive National Institute for Materials Science (NIMS) internship. NIMS offers the tools and knowledge to succeed if materials science and cutting-edge research interest you.

6. Japan’s Sumitomo Global Internship 2025

Country: Japan

Location: Yokohama and Osaka

Duration: Ten to twelve weeks, from May to August of 2025

Advantages: Completely financed

Due date: February 16, 2025

Link: Global Internship at Sumitomo Electric

A summer internship at Sumitomo is available to introduce you to global business procedures and state-of-the-art technology. With offices in Yokohama and Osaka, you’ll get the opportunity to experience Japanese business life firsthand.

7. Toyota Japan Internship in Woven 2025

Country: Japan

Program Location: Tokyo

Commencement Date: August 1, 2025

Time period: Three months

Advantages: Completely financed

Due date: February 21, 2025

Link: Internship at Woven Toyota Japan

With Toyota’s Woven division, this exceptional opportunity blends cutting-edge technology with practical commercial solutions. Work on initiatives that will influence innovation and mobility in the future while residing in bustling Tokyo.

These internships give you fully paid, intensive expertise in one of the most fascinating places on earth and opportunities for professional progress. In 2025, Japan will be the destination for anyone interested in business, technology, or research. Don’t wait; submit your application immediately and prepare for a memorable internship in the summer that will influence your future professional path.

All set to embark on your journey? Visit the program links, submit your application before the deadline, and get ready to experience everything that Japan has to provide in 2025.