Here are 50 of the most popular graduation hashtags you can use:

1. #Graduation
2. #ClassOf[year]
3. #ProudGraduate
4. #GraduationDay
5. #GradLife
6. #GradCap
7. #Diploma
8. #FutureGoals
9. #DreamBig
10. #NewBeginnings

11. #AchievementUnlocked
12. #BeyondTheDegree
13. #CapsOff
14. #TasselTime
15. #LifeAfterGraduation
16. #NextChapter
17. #GradParty
18. #Alumni
19. #ThrowingHats
20. #ClassOf20XX
21. #SuccessStory
22. #FarewellCollege
23. #MemoriesMade
24. #GratefulGrad
25. #CheersToUs
26. #JourneyOfALifetime
27. #GraduationVibes
28. #FollowYourDreams
29. #OnToTheNextAdventure
30. #GraduationCeremony
31. #GraduationPhotos
32. #BeyondTheClassroom
33. #PompAndCircumstance
34. #CelebrateSuccess
35. #TurningTheTassel
36. #CapsAndGowns
37. #GraduationSeason
38. #CelebratingGraduates
39. #CollegeGrad
40. #ProudParents
41. #FutureLeaders
42. #Commencement
43. #PassionAndPurpose
44. #GraduationInspiration
45. #DreamsComeTrue
46. #SuccessInSight
47. #TasselTurner
48. #MakingMemories
49. #EmbracingTheFuture
50. #LifeAfterDegree

Remember to use hashtags that are relevant to your specific graduation experience and incorporate your own personal touch.