Some movies have inspired the names of multiple sitcom episodes. The Swedish skin film "I Am Curious (Yellow)" inspired several episode titles:

I Am Curious Partridge (Partridge Family)
I Am Curious Lemon (That Girl)
I Am Curiously Yellow (Get Smart)

The Italian film "La Dolce Vita" inspired:

La Dolce Courage (F Troop)
La Dolce 73 (McHale's Navy)

Have any other movie titles inspired the titles of multiple sitcom episodes?

Got two I can add :

I Am Curious Cooper (The Mary Tyler Moore Show)
I Am Furious (Yellow) (The Simpsons)

Guess Who's Coming to Dinner:

Guess Who's Not Coming to Dinner (The Jeffersons)
Guess Who's Coming to Breakfast (Frasier)
Guess Who's Coming to Lunch (The Courtship of Eddie's Father)
Guess Who's Coming to Burp ? (Too Close for Comfort)
Guess Who's Coming to Criticize Dinner (The Simpsons)

I Know What You Did Last Summer (the name of a Supernatural episode)
It's a Wonderful Life (It's a Terrible Life - Supernatural)

They Shoot Horses, Don't They?:

They Shoot Managers, Don't They? (Partridge Family)
They Shoot Fonzies, Don't They? (Happy Days)

The Last Angry Man:

The Last Angry Mailman (Cheers)
The Last Angry Moose (Bullwinkle)

The Man Who Came to Dinner:

The Murray Who Came to Dinner (The Odd Couple)
The Pig Who Came to Dinner (The Odd Couple)
The Seal Who Came to Dinner (Frasier)

There is a Frasier episode called The Ann Who Came To Dinner and a Golden Girls episode called The Stan Who Came To Dinner.

There is a movie called My Dinner With Andre and there is a Frasier episode called My Coffee With Niles.

Designing Women s04e11: They Shoot Fat Women, Don't They?

Roseanne
1.15 Nightmare on Oak Street
2.10 Brain Dead Poet's Society
3.15 Becky Doesn't Live Here Anymore
4.09 Stressed to Kill
5.01-5.02 Terms Of Estrangement Parts 1 and 2
5.04 Mommy Nearest
5.23 Glengarry, Glen Rosey
6.12 White Trash Christmas
7.09 White Men Can't Kiss
7.12 The Parenting Trap

Guess Who's Coming to Dinner:

Guess Who's Not Coming to Dinner (The Jeffersons)
Guess Who's Coming to Breakfast (Frasier)
Guess Who's Coming to Lunch (The Courtship of Eddie's Father)
Guess Who's Coming to Burp ? (Too Close for Comfort)
Guess Who's Coming to Criticize Dinner (The Simpsons)

"Guess Who's Coming to Christmas"/Happy Days

I Know What You Did Last Summer (the name of a Supernatural episode)
It's a Wonderful Life (It's a Terrible Life - Supernatural)

Married...with Children/"It's a Bundyful Life"

"The Subject was Roses":
The Brady Bunch: "The Subject was Noses"

Guess Who's Coming for Brefnish (Taxi)