Harvard Online’s Top Ten Courses of 2022

The John Harvard Statue on the Harvard University campus.

Explore the Harvard Online community favorites.

With 2023 just around the corner, we’re looking back on 2022 with a list of our most popular courses over the past year. With everything from CS50 to Rhetoric: The Art of Persuasive Writing and Public Speaking, our top 10 courses are as varied and interesting as the vast, global community of learners who enroll in them. Take a look below to see if our list includes any of the courses you’ve taken or to get some inspiration for courses to take in the new year.

CS50's Introduction to Computer Science

An introduction to the intellectual enterprises of computer science and the art of programming.

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Introduction to Data Science with Python

Learn the concepts and techniques that make up the foundation of data science and machine learning.

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Exercising Leadership: Foundational Principles

Mobilize people to tackle tough problems and build the capacity to thrive through the dangers of change.

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Health Care Economics

Taught by Harvard Medical School faculty, this course teaches what economic forces are shaping the US health care sector.

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Data Science for Business

Fundamentals of Neuroscience

Designed for managers, this Harvard Online course provides a hands-on approach for demystifying the data science ecosystem and making you a more conscientious consumer of information.

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Contract Law: From Trust to Promise to Contract

Contracts are a part of our everyday life, arising in collaboration, trust, promise and credit. How are contracts formed? What makes a contract enforceable?

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Explore the structure and function of the entire nervous system — from the microscopic inner workings of a single nerve cell to the staggering complexity of the brain in this three-part series.