The 2006 Minnesota Senate election was held in the U.S. state of Minnesota on November 7, 2006, to elect members to the Senate of the 85th and 86th Minnesota Legislatures. A primary election was held in several districts on September 12, 2006.

The Minnesota Democratic–Farmer–Labor Party (DFL) won a majority of seats, remaining the majority party, followed by the Republican Party of Minnesota. The new Legislature convened on January 3, 2007.

Summary of the November 7, 2006 Minnesota Senate election results

Party		Candidates	Votes			Seats
			No.	%	∆pp	No.	∆No.	%
	Minnesota Democratic–Farmer–Labor Party	66	1,183,319	55.31	5.62	44	6	65.67
	Republican Party of Minnesota	66	925,978	43.28	2.43	23	6	34.33
	Independence Party of Minnesota	7	13,886	0.65	2.73	0		0.00
	Green Party of Minnesota	1	5,431	0.25	0.64	0		0.00
	Independent	1	5,428	0.25	0.13	0		0.00
	Write-in	N/A	5,280	0.25	0.08	0		0.00
Total			2,139,322	100.00	±0.00	67	±0	100.00
Invalid/blank votes			78,496	3.54	1.17
Turnout (out of 3,667,707 eligible voters)[2]			2,217,818	60.47	4.42
Source: Minnesota Secretary of State,[3] Minnesota Legislative Reference Library[4]

• Minnesota House of Representatives election, 2006
• Minnesota gubernatorial election, 2006
• Minnesota elections, 2006

• Color shaded map showing winning margin by district (PDF) from 2006 Election Maps, Minnesota Secretary of State