2006 Maryland Senate election
The 2006 Maryland Senate elections were held on November 7, 2006, as part of the 2006 United States elections, including the 2006 Maryland gubernatorial election. All 47 of Maryland's state senators were up for reelection. Neither party netted seats, allowing Democrats to retain supermajority control of the chamber. Summary

Closest races 
Seats where the margin of victory was under 10%:

Retiring incumbents

Democrats 
 District 11: Paula Hollinger retired to run for Congress in Maryland's 3rd congressional district. District 18: Sharon M. Grosfeld retired. District 19: Leonard Teitelbaum retired. District 23: Leo E. Green retired. District 26: Gloria G. Lawlah retired. District 31: Philip C. Jimeno retired. District 40: Ralph M. Hughes retired. Republicans 
 District 1: John J. Hafer retired. Incumbents defeated

In primary elections

Democrats
 District 20: Ida G. Ruben lost renomination to Jamie Raskin. District 21: John A. Giannetti Jr. lost renomination to James Rosapepe. In the general election

Republicans
 District 13: Sandra Schrader lost to James N. Robey. District 21: John A. Giannetti Jr. lost to James Rosapepe. Detailed results

District 1

Republican primary

General election

District 2

District 3

Republican primary

General election

District 4

Republican primary

General election

District 5

Republican primary

General election

District 6

District 7

District 8

Republican primary

General election

District 9

District 10

Democratic primary

General election

District 11

Democratic primary

General election

District 12

District 13

District 14

District 15

District 16

District 17

District 18

District 19

Democratic primary

Republican primary

General election

District 20

Democratic primary

General election

District 21

Democratic primary

General election

District 22

District 23

Democratic primary

General election

District 24

District 25

District 26

Democratic primary

General election

District 27

District 28

District 29

District 30

District 31

Democratic primary

Republican primary

General election

District 32

District 33

District 34

District 35

District 36

District 37

Democratic primary

General election

District 38

District 39

District 40

Democratic primary

General election

District 41

Democratic primary

General election

District 42

Republican primary

General election

District 43

Democratic primary

General election

District 44

Democratic primary

General election

District 45

Democratic primary

General election

District 46

District 47

Democratic primary

General election

Notes

References

2006
Senate
Maryland General Assembly