多伦多大学（University of Toronto，简称UofT）位于加拿大安大略省多伦多，是一所公立联邦制研究型大学，亦是加拿大乃至全球最顶尖的学府之一。它的主校区坐落在多伦多市中心，主要建筑散落于皇后公园四周，与安大略省政府及议会大厦相毗邻。它最初根据英国佐治四世于1827年颁布的皇家宪章而建立，是英国殖民时代在上加拿大最早建立的高等学府，名为“国王学院”。至1849年，因脱离了圣公会而不再属于宗教大学，后改为今名。多伦多大学现拥有三个校区，分别是主校区圣佐治校区和两个分校区分别为密西沙加分校区以及士嘉堡分校区。受英国大学制度影响，多伦多大学是北美洲少数实行学院联邦制的大学，由11个学院组成，各学院在本院政务、教育、财政上具有一定自治权。

多伦多大学与麦基尔大学、卑诗大学并称加拿大大学“三强”。在学术研究上，多伦多大学于多个领域都处于加拿大乃至世界领先的水平。它所接受的捐款、所获奖项、学术出版和引用、以及藏书数量都是加拿大之首。自二十世纪开始，在文学领域，多伦多大学就以文学批评和传播理论的相关研究及课程而著称；医学领域上，它是胰岛素的诞生地，也是干细胞研究的开拓者。理工方面，多伦多大学的团队发现并验证了首个黑洞，同时也是电子起搏器、多点触控技术、电子显微镜、复制T细胞、飞行员衣等发明的起源。二十一世纪以来，多伦多大学成为人工智能深度学习革命的起源地和先驱。多伦多大学每年发表的科研论文数量在北美仅次于哈佛大学，引用数量位居世界前五，是美国大学协会仅有的两名在美国本土外成员之一。

曾有3名加拿大总督、4名加拿大总理和14名最高法院大法官在多伦多大学受教育。据2006年统计，多伦多大学教授中包括美国文理科学院外籍院士15名（占加拿大总数65%），美国科学促进会外籍院士20名（占加总数28%）。并在1980至2006年间，累计获得盖尔德纳（Gairdner）基金会国际奖11次（占加总数52%），被授予古根海姆研究员头衔44人（占加总数44%），英国皇家学会外籍院士16人（占加总数42%），美国国家学院外籍院士10人（占加总数36%）及斯隆（Sloan）研究员23人（占加总数30%）。截至2019年，多伦多大学累计有10位诺贝尔奖得奖者、5位图灵奖得奖者以及94名罗德学者。

多伦多大学被普遍认为是加拿大的顶尖学府之一，是加拿大U15大学联盟的一员。多伦多大学于2020年软科的世界大学学术排名（ARWU）中位列世界#23、加拿大#1。在QS世界排名2021年榜单中则位列世界#25、加拿大#1。THE的2020年榜单中多伦多大学位列世界#18、加拿大#1。在它同年发布的声誉榜单中，多伦多大学位列世界#19。U.S. News的排名中多伦多大学则位于世界#18、加拿大#1。

The University of Toronto (U of T or UToronto) is a public research universityin Toronto, Ontario, Canada, located on the grounds that surround Queen's Park. It was founded by royal charter in 1827 as King's College, the first institution of higher learning in Upper Canada. Originally controlled by the Church of England, the university assumed its present name in 1850 upon becoming a secular institution. As a collegiate university, it comprises eleven collegeseach with substantial autonomy on financial and institutional affairs and significant differences in character and history. The university also operates two suburban campuses located in Scarborough and Mississauga.

The University of Toronto offers over 700 undergraduate and 200 graduate programs. In all major rankings, the university consistently ranks in the top ten public universities in the world and as the top university in the country. It receives the most annual scientific research funding and endowment of any Canadian university and is one of two members of the Association of American Universities outside the United States, the other being McGill University in Montreal.

Academically, the University of Toronto is noted for influential movements and curricula in literary criticism and communication theory, known collectively as the Toronto School. The university was the birthplace of insulin and stem cell research, the first artificial cardiac pacemaker, and the site of the first successful lung transplant and nerve transplant. The university was also home to the first electron microscope, the development of deep learning,[13] neural network, multi-touch technology, the identification of the first black hole Cygnus X-1, and the development of the theory of NP-completeness.

The Varsity Blues are the athletic teams that represent the university in intercollegiate league matches, primarily within U Sports, with ties to gridiron football, rowing and ice hockey. The earliest recorded instance of gridiron football occurred at University of Toronto's University College in November 1861. The university's Hart House is an early example of the North American student centre, simultaneously serving cultural, intellectual, and recreational interests within its large Gothic-revival complex.

The University of Toronto alumni include three Governors General of Canada, five Prime Ministers of Canada, nine foreign leaders, and seventeen justices of the Supreme Court of Canada. As of March 2019, twelve Nobel laureates, six Turing Award winners, 94 Rhodes Scholars, and one Fields Medalist have been affiliated with the university.

In the 2021 Academic Ranking of World Universities, the university ranked #22 in the world and #1 in Canada. The 2022 QS World University Rankings ranked the university #26 in the world, and first in Canada. In 2019, it ranked #11among the universities around the world by SCImago Institutions Rankings. The 2022 Times Higher Education World University Rankings ranked the university #18 in the world, and #1 in Canada. In the Times' 2020 reputational ranking, the publication placed the university #19 in the world. In the 2022 U.S. News & World Report Best Global University Ranking, the university ranked #16 in the world, and #1 in Canada. The Canadian-based Maclean's magazine ranked the University of Toronto second in their 2022 Canadian Medical Doctoral university category. Maclean's 2021 university rankings also ranked the University of Toronto #1 in its reputation rankings, the sixth consecutive time the university placed there.