Summer intensive language instruction is available through the Wisconsin Intensive Summer Language Institutes in the following less commonly taught languages (course availability dependent on enrollments):
Arabic, Bengali, Burmese, Filipino, Gujarati, Hindi, Hmong, Indonesian, Kazakh, Khmer, Lao, Malayalam, Marathi, Pashto, Persian, Portuguese, Sanskrit, Sinhala, Tajik, Tamil, Telugu, Thai, Tibetan, Turkish, Urdu, Uyghur, Uzbek, and Vietnamese.
New to Summer 2018: Online Norwegian
More Summer Language Learning Opportunities at UW-Madison
Languages at UW-Madison lists individual language courses offered in the summer at the University of Wisconsin-Madison: https://languages.wisc.edu/languages/summer