Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Saint Johns Chapel | Church | 52 | Anne Arundel | 39 04 07 N | 076 40 12 W |
| Saint Johns Chapel | Church | 52 | Charles | 38 36 16 N | 077 04 30 W |
| Saint Johns Chapel | Church | 1 | Dorchester | 38 36 11 N | 076 13 16 W |
| Saint Johns Chapel Cemetery | Cemetery | 1 | Dorchester | 38 36 10 N | 076 13 16 W |
| Saint Johns Church | Church | 38 | Baltimore | 39 13 39 N | 076 42 27 W |
| Saint Johns Church | Church | 14 | Baltimore | 39 18 42 N | 076 28 30 W |
| Saint Johns Church | Church | 153 | Baltimore | 39 29 06 N | 076 32 31 W |
| Saint Johns Church | Church | 131 | Baltimore | 39 30 09 N | 076 46 50 W |
| Saint Johns Church | Church | 190 | Baltimore | 39 30 43 N | 076 32 31 W |
| Saint Johns Church | Church | 43 | Baltimore (city) | 39 18 34 N | 076 36 08 W |
| Saint Johns Church | Church | 35 | Calvert | 38 23 27 N | 076 28 05 W |
| Saint Johns Church | Church | 23 | Calvert | 38 38 58 N | 076 40 11 W |
| Saint Johns Church | Church | 290 | Carroll | 39 35 51 N | 076 56 07 W |
| Saint Johns Church | Church | 127 | Cecil | 39 43 13 N | 075 52 34 W |
| Saint Johns Church | Church | 0 | Dorchester | 38 22 55 N | 076 11 36 W |
| Saint Johns Church | Church | 119 | Howard | 39 12 21 N | 076 47 47 W |
| Saint Johns Church | Church | 137 | Howard | 39 16 25 N | 076 49 46 W |
| Saint Johns Church | Church | 14 | Kent | 39 22 12 N | 076 03 53 W |
| Saint Johns Church | Church | 110 | Montgomery | 38 58 39 N | 077 05 23 W |
| Saint Johns Church | Church | 4 | Prince George's | 38 45 18 N | 077 00 02 W |
| Saint Johns Church | Church | 3 | Talbot | 38 48 05 N | 076 18 10 W |
| Saint Johns Church | Church | 3 | Worcester | 38 18 15 N | 075 09 09 W |
| Saint Johns Churchyard | Cemetery | 178 | Washington | 39 38 32 N | 077 43 33 W |
| Saint Johns College | School | 11 | Anne Arundel | 38 58 53 N | 076 29 27 W |
| Saint Johns Creek | Populated Place | 7 | Calvert | 38 20 45 N | 076 26 40 W |
| Saint Johns English Lutheran Church | Church | 702 | Garrett | 39 40 48 N | 079 18 01 W |
| Saint Johns Episcopal Cemetery | Cemetery | 165 | Montgomery | 39 09 17 N | 077 04 06 W |
| Saint Johns Episcopal Church | Church | 634 | Allegany | 39 39 20 N | 078 55 47 W |
| Saint Johns Episcopal Church | Church | 78 | Baltimore (city) | 39 21 58 N | 076 39 09 W |
| Saint Johns Episcopal Church | Church | 67 | Baltimore (city) | 39 19 31 N | 076 36 31 W |
| Saint Johns Episcopal Church | Church | 19 | Harford | 39 32 52 N | 076 05 31 W |
| Saint Johns Episcopal Church | Church | 165 | Montgomery | 39 09 17 N | 077 04 06 W |
| Saint Johns Episcopal Church | Church | 46 | Prince George's | 39 02 06 N | 076 54 30 W |
| Saint Johns Episcopal Church | Church | 26 | Prince George's | 38 56 26 N | 076 57 42 W |
| Saint Johns Episcopal Church | Church | 177 | Washington | 39 38 33 N | 077 43 33 W |
| Saint Johns Evangelical Lutheran Church | Church | 210 | Allegany | 39 38 03 N | 078 45 45 W |
| Saint Johns Evangelical Lutheran Church | Church | 110 | Baltimore | 39 23 03 N | 076 32 03 W |
| Saint Johns Evangelical Lutheran Church | Church | 123 | Baltimore (city) | 39 20 25 N | 076 39 53 W |
| Saint Johns Evangelical Lutheran Church | Church | 16 | Baltimore (city) | 39 14 09 N | 076 36 29 W |
| Saint Johns Evangelical Lutheran Church | Church | 162 | Frederick | 39 37 28 N | 077 24 42 W |
| Saint Johns Evangelical Lutheran Church | Church | 132 | Frederick | 39 34 35 N | 077 22 00 W |
| Saint Johns Evangelist Church | Church | 112 | Montgomery | 39 00 56 N | 077 03 06 W |
| Saint Johns Green | Populated Place | 140 | Howard | 39 17 32 N | 076 50 15 W |
| Saint Johns High School | School | 245 | Carroll | 39 35 05 N | 076 59 38 W |
| Saint Johns Lane Elementary School | School | 144 | Howard | 39 17 26 N | 076 50 02 W |
| Saint Johns Lutheran Church | Church | 171 | Baltimore | 39 29 18 N | 076 31 22 W |
| Saint Johns Lutheran Church | Church | 704 | Garrett | 39 40 47 N | 079 17 59 W |
| Saint Johns Lutheran Church | Church | 781 | Garrett | 39 18 37 N | 079 27 11 W |
| Saint Johns Manor | Populated Place | 15 | Cecil | 39 32 05 N | 075 53 28 W |
| Saint Johns Manor | Populated Place | 131 | Howard | 39 16 06 N | 076 49 28 W |
| Saint Johns Methodist Church | Church | 8 | Cecil | 39 34 25 N | 075 58 32 W |
| Saint Johns Mission (historical) | Church | 65 | Anne Arundel | 39 12 01 N | 076 40 55 W |
| Saint Johns of Hamilton United Methodist Church | Church | 90 | Baltimore (city) | 39 21 02 N | 076 33 45 W |
| Saint Johns Pentecostal Church | Church | 61 | Baltimore (city) | 39 18 28 N | 076 39 08 W |
| Saint Johns Plaza Shopping Center | Locale | 127 | Howard | 39 16 41 N | 076 49 37 W |
| Saint Johns Reformed Church | Church | 131 | Frederick | 39 34 35 N | 077 21 58 W |
| Saint Johns Reformed Church | Church | 120 | Frederick | 39 32 07 N | 077 18 48 W |
| Saint Johns Roman Catholic Church | Church | 12 | Anne Arundel | 39 04 15 N | 076 32 43 W |
| Saint Johns Roman Catholic Church | Church | 232 | Carroll | 39 34 27 N | 076 59 45 W |
| Saint Johns Roman Catholic Church | Church | 39 | St. Mary's | 38 19 57 N | 076 33 33 W |
| Saint Johns School | School | 119 | Baltimore | 39 29 18 N | 076 28 29 W |
| Saint Johns School | School | 114 | Baltimore | 39 14 58 N | 076 43 29 W |
| Saint Johns School | School | 232 | Carroll | 39 34 28 N | 076 59 45 W |
| Saint Johns School | School | 116 | Montgomery | 39 01 21 N | 077 02 37 W |
| Saint Johns School | School | 38 | St. Mary's | 38 19 56 N | 076 33 30 W |
| Saint Johns School (historical) | School | 19 | Calvert | 38 39 00 N | 076 40 12 W |
| Saint Johns School (historical) | School | 18 | Calvert | 38 39 00 N | 076 40 13 W |
| Saint Johns United Church of Christ | Church | 181 | Washington | 39 39 23 N | 077 55 57 W |
| Saint Johns United Methodist Church | Church | 130 | Baltimore (city) | 39 21 29 N | 076 41 04 W |
| Saint Johns United Methodist Church | Church | 54 | Baltimore (city) | 39 19 13 N | 076 36 58 W |
| Saint Johns United Methodist Church | Church | 279 | Carroll | 39 36 25 N | 076 51 02 W |
| Saint Johns United Methodist Church | Church | 3 | Somerset | 38 09 18 N | 075 56 55 W |
| Saint Johns United Methodist Church | Church | 12 | Wicomico | 38 19 05 N | 075 37 03 W |
| Saint Johns United Methodist Church | Church | 3 | Worcester | 38 18 56 N | 075 08 37 W |
| Saint Johns Vianney Catholic Church | Church | 42 | Calvert | 38 32 16 N | 076 34 51 W |
| Saint Johns Village | Populated Place | 136 | Howard | 39 16 09 N | 076 49 48 W |
| Saint Johns Vista | Populated Place | 21 | Cecil | 39 31 54 N | 075 53 41 W |
| Saint Johns Woods | Populated Place | 13 | Anne Arundel | 39 05 50 N | 076 29 01 W |
| Saint Johns Woods | Populated Place | 23 | Calvert | 38 20 52 N | 076 26 29 W |
| Saint Joseph Catholic Church | Church | 134 | Frederick | 39 41 43 N | 077 19 38 W |
| Saint Joseph Catholic Church | Church | 35 | St. Mary's | 38 22 32 N | 076 41 50 W |
| Saint Joseph Catholic Church | Church | 185 | Washington | 39 37 17 N | 077 45 24 W |
| Saint Joseph Cemetery | Cemetery | 147 | Carroll | 39 39 31 N | 077 10 46 W |
| Saint Joseph Cemetery | Cemetery | 49 | Prince George's | 39 03 07 N | 076 54 11 W |
| Saint Joseph Church | Church | 52 | Prince George's | 39 03 07 N | 076 54 08 W |
| Saint Joseph High School | School | 134 | Frederick | 39 42 20 N | 077 19 30 W |
| Saint Joseph Hospital | Hospital | 138 | Baltimore | 39 23 18 N | 076 36 41 W |
| Saint Joseph Manor | Building | 126 | Baltimore (city) | 39 22 17 N | 076 38 29 W |
| Saint Joseph Roman Catholic Church | Church | 110 | Baltimore | 39 27 47 N | 076 38 20 W |
| Saint Joseph School | School | 31 | St. Mary's | 38 22 29 N | 076 41 49 W |
| Saint Josephs Carrollton Manor | Church | 104 | Frederick | 39 19 50 N | 077 27 47 W |
| Saint Josephs Carrollton Manor Cemetery | Cemetery | 104 | Frederick | 39 19 52 N | 077 27 47 W |
| Saint Josephs Catholic Church | Church | 194 | Carroll | 39 24 24 N | 076 57 49 W |
| Saint Josephs Catholic Church | Church | 66 | Prince George's | 39 02 13 N | 076 55 13 W |
| Saint Josephs Cemetery | Cemetery | 127 | Carroll | 39 21 52 N | 076 58 07 W |
| Saint Josephs Cemetery | Cemetery | 58 | Charles | 38 35 15 N | 077 01 27 W |
| Saint Josephs Cemetery | Cemetery | 128 | Frederick | 39 42 01 N | 077 19 41 W |
| Saint Josephs Cemetery | Cemetery | 36 | St. Mary's | 38 22 36 N | 076 41 49 W |
| Saint Josephs Church | Church | 79 | Baltimore | 39 23 13 N | 076 29 46 W |
| Saint Josephs Church | Church | 59 | Charles | 38 35 12 N | 077 01 26 W |
| Saint Josephs Church | Church | 47 | Prince George's | 38 55 53 N | 076 52 08 W |
| Saint Josephs College | School | 130 | Frederick | 39 41 39 N | 077 19 33 W |
| Saint Josephs Free Will Baptist Church | Church | 29 | Baltimore (city) | 39 18 32 N | 076 35 34 W |
| Saint Josephs Hospital | Hospital | 38 | Baltimore (city) | 39 18 24 N | 076 35 53 W |
| Saint Josephs Manor (historical) | Locale | 10 | St. Mary's | 38 18 33 N | 076 28 56 W |
| Saint Josephs Monastery | Church | 68 | Baltimore (city) | 39 16 59 N | 076 40 50 W |
| Saint Josephs Roman Catholic Church | Church | 538 | Allegany | 39 35 35 N | 078 56 56 W |
| Saint Josephs Roman Catholic Church | Church | 8 | Baltimore (city) | 39 16 54 N | 076 36 60 W |
| Saint Josephs Roman Catholic Church | Church | 154 | Carroll | 39 39 31 N | 077 10 42 W |
| Saint Josephs Roman Catholic Church | Church | 127 | Carroll | 39 21 53 N | 076 58 07 W |