D
- Dainty Maid: the bakery of 1928, closed and twice revived Food & Restaurants
- The dairy county Farms & Crops
- The dam and the races The Story of South Bend
- The dam of 1844 and the two races Industrial Revolution
- The dam of 1844, as a work in the river The St. Joseph River
- Dance: Southold Dance Theater whole Arts
- Danny Pinter: Adams High School to the Colts' Line Sports Players
- "The data city" — the innovation claims of the 2010s and after Famous Stories & the Record
- Data Realty: the incubator's first graduate Dot-Com Era
- The database era: the National UFO Reporting Center UFO Sightings
- Dave Williams and Beyond Our Control: the show the teenagers produced Film & TV Producers
- David Stremme — two hundred Cup starts from the short tracks Famous People
- David Stremme: the other 1977 Racing
- The deal: a promise of private money, and the bonds that replaced it Halls of Fame
- Dealerships Section
- Dean Norris — Hank Schrader, from Clay High School Famous People
- December 1963: the closing of the South Bend works Studebaker
- The decree's long life · Plan Z, the magnet era, and a committee in 2025 Black History
- The deer: from Chapman's rarity to the restored herd Wildlife
- Defense housing · the city builds for war workers, separately Black History
- Dellia Castile — the charge frame settled from the appellate record; the sentence still unreached Crime History
- Demetrius Jackson: The County's Scoring King Sports Players
- Denniston & Fellows, and Taylor's Field: the near south side Neighborhoods
- The departure: St. Joseph's leaves South Bend, 2008–2009 Hospitals
- The Departures — 2018 and 2019, and Who Still Teaches Schools & Colleges
- The Depression test — South Bend's banks, 1931 to 1934 Banks
- Depression, war, and the Chesapeake & Ohio years Railroads
- Design as invention: the Loewy studio, Robert Bourke, the Tucker suit, and the Avanti's discs Inventors & Inventions
- The designation record: the Register, the landmarks, the districts Historic Preservation
- The device test: a searched negative, printed whole Medical Advancements
- The Diamond, and the R.A.C.: the Ricketts continued under a new name Automobiles
- Dickie Thon: Born Here, and the Fastball Sports Players
- The Dillinger test · the gang's course around this ground, and the one job in it Bank Robberies
- The Diocese of Fort Wayne–South Bend Churches & Religion
- The directors Libraries
- The Directory Houses Hotels
- The Directory State: November 2026 Charities
- The disasters · the Studebaker fires of 1872, 1874 and 1885 Wars, Unrest & Disasters
- The Disciples of Christ: The Christian Church, 1844 and 1851 Churches & Religion
- The distillers: a searched negative, 1852–2011 Wineries & Distilleries
- The distinction · the "South Bend Shovel Slayer" is a story from a film Serial Killers
- The distinction · the manhole murders, 2006–07 Serial Killers
- The district on the map Libraries
- The Dixie Highway: the feeder that became a main line Main Roads & Corridors
- Dot-Com Era Section
- Dottie Schroeder: All Twelve Seasons Sports Players
- Dottie Schroeder: All Twelve Seasons South Bend Blue Sox
- Double Track Northwest Indiana, and what it changed for South Bend Railroads
- Downtown — the Multiple Resource Area of 1985 Architecture
- The downtown falcons: peregrines on the towers Wildlife
- Downtown South Bend Inc.: the downtown's own corporation, and its foundation Foundations & Nonprofits
- The downtown trade in brief Businesses
- The downtown unmade: renewal, the Hole, and the mall that stayed on paper Malls & Shopping
- Downtown: the department-store street Malls & Shopping
- Drag racing: the strip South Bend never had Racing
- Draining the wet prairies and the Kankakee edge Farms & Crops
- Drewry's: the Canadian century of the Muessel ground, 1936–1972 Wineries & Distilleries
- The drive-in census: four names, dates open Kids & Family Entertainment
- The Drive-Ins Theaters
- The drone winter, 2024–25 UFO Sightings
- The Drop Comedy Club: the standing room Comedy
- The Drug Era in the Federal Record Crime History
- The Dry Years: The Bootlegging Economy Crime History
- The dry-goods founders — George Wyman, George Robertson, and the Welber brothers Founders & CEOs
- A duck pond in Leeper Park: where the zoo begins Kids & Family Entertainment
- Dylan Krieger: the poet Notable People
- The Dyngus Day table: the city's most documented meal Food & Restaurants
- Dyngus Day: Easter Monday belongs to the west side Events Calendar
- Dyngus Day: the holiday that endorses candidates Culture