Recently Vol.10, No.2 of the online Journal of Humanistic Mathematics has become available online. This issue is a "Special Issue on Creativity in Mathematics" and the richly varied Table of Contents is available at this link.
Seven of the articles feature poetry with links to mathematics; these are:
Poetry: four seasons (haikus) by Stephen Luecking
Dear Arithmetic by Mary Soon Lee
Galileo's Verse by Bruce F. McGuffin
Hexagons by Barbara Quick
Changes and Deltas by Jim Wolper
Dear Arithmetic by Mary Soon Lee
Galileo's Verse by Bruce F. McGuffin
Hexagons by Barbara Quick
Changes and Deltas by Jim Wolper
And here are a couple of samples: