PA9

PA9, PA.9, PA-9, PA 9, or variant may refer to:
 * Pennsylvania highway designations:
 * Pennsylvania Route 9 (1955-1996), now I-476
 * Pennsylvania Route 9 (1920s), now US Route 20
 * Other uses:
 * PA-9, Pennsylvania's 9th congressional district
 * Dell PA-9, laptop power adapter