The Best Commencement Speeches, Ever has an index of 354 commencement speeches. The speeches are listed alphabetically by speaker's first name. Instead of searching by speaker's name you can search according to theme, school, or date. A transcript for each speech is available. Videos are available for many of the speeches. Steve Jobs' 2005 commencement speech at Stanford is embedded below.
Applications for Education
NPR's The Best Commencement Speeches, Ever could be a good source of inspiration for crafting graduation messages to share with students.
H/T to Open Culture.