Jewell directed his anger towards Fearn after she refused to award a penalty to Ipswich during their 2-1 defeat to Birmingham on Wednesday evening.
The former Wigan Athletic manager said: "Everyone thought to a man it was a penalty but not a woman.
"The referee didn't have a good view of it, I thought the lineswoman, or whatever she's called, had a great view and it's a stonewall penalty and a sending off."
In 2006 Fearn was involved in another sexism row after former Luton Town boss Mike Newell said: "She shouldn't be here. That sounds sexist but I am sexist. This is not park football, so what are women doing here?"
Ipswich are now 20th in the Championship table.