Peter, Paul & Mary songbook has this in Bb; I’ve transposed to C to make it easier to play. Purists can, of course, reverse the process.)

[Verse 1] - - - - - [F] Puff, the magic [Am] dragon [A#] lived by the [F] sea  And [A#] frolicked in the [F] autumn [Dm] mist in a [G7] land called Honah- [C7] -Lee,  [F] Little Jackie [Am] Paper [A#] loved that rascal [F] Puff   And [A#] brought him strings and [F] sealing [Dm] wax and [G7] other [C7] fancy [F] stuff. [C7] Oh! 
 
[CHORUS]

[Verse 2] - - - - - To- [F] -get-her they would [Am] trav-el on a [A#] boat  with  bil-lowed  [F] sail.   [A#] Jackie kept a [F] lookout [Dm] perched on [G] Puff’s gigantic [C] tail.  [F] Noble kings and [Am] princes would [A#] bow whenever they [F] came.   [A#] Pirate ships would [F] lower their [Dm] flags when [G] Puff roared [C] out his [F] name. oh!
 
[CHORUS]  - - - - - [F] Puff, the magic [Am] dragon [A#] lived by the [F] sea And [A#] frolicked in the [F] autumn [Dm] mist in a [G7] land called Honah- [C7] -Lee, [F] Puff, the magic [Am] dragon [A#] lived by the [F] sea And [A#] frolicked in the [F] autumn [Dm] mist in a [G7] land called [C7] Honah- [F] -Lee. 
 
[Verse 3] - - - - - A [F] dragon lives [Am] forever but [A#] not so little [F] boys. [A#] Painted wings and [F] giant [Dm] rings make [G] way for other [C] toys.    [F] One grey night it [Am] happened, [A#] Jackie Paper [F] came no more, and [A#] Puff that mighty [F] dragon, [Dm] he [G] ceased his [C] fearless [F] roar [C]  Oh

             TAP SCROLL DOWN BUTTON HERE
 
[Verse 4] - - - - -   His [F] head was bent in [Am] sorrow, [A#] green scales fell like [F] rain.   [A#] Puff no longer [F] went to [Dm] play [G] along the cherry [C] lane.   With- [F] -out his life-long [Am] friend, [A#] Puff could not be [F] brave;    So [A#] Puff that mighty [F] dragon [Dm] sadly [G] slipped in- [C] -to his [F] cave. [C] 

[CHORUS] - - - - - [F] Puff, the magic [Am] dragon [A#] lived by the [F] sea And [A#] frolicked in the [F] autumn [Dm] mist in a [G7] land called Honah- [C7] -Lee, [F] Puff, the magic [Am] dragon [A#] lived by the [F] sea And [A#] frolicked in the [F] autumn [Dm] mist in a [G7] land called [C7] Honah- [F] -Lee.  [A#] [F]