Heckletooth Mountain
{{Short description|Mountain in Oregon, United States}}
{{Use mdy dates|date=January 2025}}
{{Infobox mountain
| name = Heckletooth Mountain
| other_name =
| photo =
| photo_alt =
| photo_caption =
| elevation_ft = 3682
| elevation_ref = {{ngvd29}}{{cite pb |name=Heckletooth Mountain, Oregon |pid=56579 |access-date=2022-12-30}}
| prominence_ft = 242
| range = Cascade Range
| listing =
| parent_peak =
| location = Lane County, Oregon
| map = Oregon#USA
| map_caption = Location in Oregon
| map_size = 240
| coordinates = {{coord|43.7409668|-122.3687064|type:mountain_region:US-OR_scale:100000_source:GNIS|format=dms|display=inline,title}}
| coordinates_ref =
| topo = USGS McCredie Springs
| first_ascent =
| easiest_route =
}}
Heckletooth Mountain is a summit in Lane County, Oregon, in the United States{{cite gnis |id=1143446 |name=Heckletooth Mountain}} with an elevation of {{convert|3682|ft}} {{NGVD29}}. It is located just north of the Willamette Highway (OR 58), in the Willamette National Forest.
Heckletooth Mountain was so named in the 1870s by a pioneer settler who likened the rocks about its jagged peak to the teeth of a hackle, a tool used to process flax.{{cite ogn |edition=7 |page=458}}