Oberhavel I is an electoral constituency (German: Wahlkreis) represented in the Landtag of Brandenburg. It elects one member via first-past-the-post voting. Under the constituency numbering system, it is designated as constituency 7. It is located in the Oberhavel district^[2]

The constituency includes the towns of Hennigsdorf, Kremmen, and Velten, as well as the communities of Löwenberger Land and Oberkrämer.

There were 55,089 eligible voters in 2024.^[3]

State election (2024): Oberhavel I[4]
Notes:		Blue background denotes the winner of the electorate vote. Pink background denotes a candidate elected from their party list. Yellow background denotes an electorate win by a list member, or other incumbent. A Y or N denotes status of any incumbent, win or lose respectively.
Party		Candidate		Votes	%	±%	Party votes	%	±%
	SPD	Y Andreas Noack		13,246	34.0	4.9	12,470	31.9	2.5
	AfD	Heiko Gehring		12,677	32.6	8.1	11,714	30.0	6.1
	CDU	Frank Bommert		6,191	15.9	0.2	5,104	13.1	1.9
	BSW						4,417	11.3
	BVB/FW	Gebauer		3,346	8.6	1.7	1,168	3.0	1.1
	Left	Wolf		1,362	3.5	5.2	835	2.1	6.4
	Greens	Rostock		957	2.5	9.0	1,334	3.4	7.2
	APT						971	2.5	1.1
	Plus	Preylowski		729	1.9		459	1.2	0.1
	FDP	Gagern-Géronde		415	1.1	2.3	324	0.8	2.8
	DLW						138	0.4
	Values						109	0.3
	Third Way						44	0.1
	DKP						20	0.1
Informal votes				558			374
Total valid votes				38,923			39,107
Turnout				39,481	71.7	14.1
	SPD hold		Majority	569	1.4	3.3

• Politics of Brandenburg
• Landtag of Brandenburg