Riddle Hill
{{Short description|Mountain in Massachusetts, US}}
{{Use mdy dates|date=May 2020}}
{{Infobox mountain
| name = Riddle Hill
| photo =
| photo_caption =
| map = Massachusetts#USA
| map_caption = Location of Riddle Hill in Massachusetts
| elevation_ft = 121
| elevation_ref =
| location = Cape Cod, Massachusetts
| range =
| coordinates = {{coord|41.5570530|-70.6405856|region:US|format=dms}}{{cite gnis
| id = 606265
| name = Riddle Hill
| accessdate = August 20, 2018}}
| topo = USGS Woods Hole
| first_ascent =
| easiest_route =
}}
Riddle Hill is a mountain in Barnstable County, Massachusetts. It is {{convert|1.4|mi}} southeast of Quissett in the Town of Falmouth. Swifts Hill is located north of Riddle Hill.