- New Carlisle
- New Castle
- New Goshen
- New Harmony
- New Haven
- New Lisbon
- New Market
- New Middletown
- New Palestine
- New Paris
- New Point
- New Richmond
- New Ross
- New Salisbury
- New Trenton
- New Washington
- New Waverly
- Newberry
- Newburgh
- Newport
- Newtown
- Nineveh
- Noblesville
- Norman
- North Judson
- North Liberty
- North Manchester
- North Salem
- North Vernon
- North Webster
- Notre Dame
- Oakford
- Oakland City
- Oaktown
- Oakville
- Odon
- Oldenburg
- Onward
- Oolitic
- Ora
- Orestes
- Orland
- Orleans
- Osceola
- Osgood
- Ossian
- Otisco
- Otterbein
- Otwell
- Owensburg
- Owensville
- Oxford
- Palmyra
- Paoli
- Paragon
- Paris Crossing
- Parker City
- Patoka
- Patricksburg
- Patriot
- Paxton
- Pekin
- Pendleton
- Pennville
- Perrysville
- Pershing
- Peru
- Petersburg
- Petroleum
- Pierceton
- Pierceville
- Pimento
- Pine Village
- Pittsboro
- Plainfield
- Plainville
- Pleasant Lake
- Pleasant Mills
- Plymouth
- Poland
- Poneto
- Portage
- Portland
- Poseyville
- Prairie Creek
- Prairieton
- Preble
- Princeton
- Putnamville
- Quincy
- Ragsdale
- Ramsey
- Redkey
- Reelsville
- Remington
- Rensselaer
- Reynolds
- Richland
- Richmond
- Ridgeville
- Riley
- Rising Sun
- Roachdale
- Roann
- Roanoke
- Rochester
- Rockfield
- Rockport
- Rockville
- Rolling Prairie
- Rome
- Rome City
- Romney
- Rosedale
- Roselawn
- Rossville
- Royal Center
- Rushville
- Russellville
- Russiaville
- Saint Anthony
- Saint Bernice
- Saint Croix
- Saint Joe
- Saint John
- Saint Mary Of The Woods
- Saint Meinrad
- Saint Paul
- Salamonia
- Salem
- San Pierre
- Sandborn
- Santa Claus
- Saratoga
- Schererville
- Schneider
- Schnellville
- Scipio
- Scotland
- Scottsburg
- Sedalia
- Seelyville
- Sellersburg
- Selma
- Servia
- Seymour
- Sharpsville
- Shelburn
- Shelby
- Shelbyville