1975 Rhineland-Palatinate state election

The 1975 Rhineland-Palatinate state election was conducted on 9 March 1975 to elect members to the Landtag, the state legislature of Rhineland-Palatinate, West Germany.

Ahead of this election, the state electoral reform on 4 July 1972 reduced the constituencies from six to four:

• Constituency One (Wahlkreis 1) was centered around Koblenz and elected 26 members.
• Constituency Two (Wahlkreis 2) was centered around Trier and elected 24 members.
• Constituency Three (Wahlkreis 3) was centered around Mainz and Ludwigshafen and elected 24 members.
• Constituency Four (Wahlkreis 4) was centered around Kaiserslautern and elected 26 members.

The seats would be allocated with d'Hondt method.

Summary of the 9 March 1975 Rhineland-Palatinate state Landtag election results

Party		Vote %	Vote % ±	Seats	Seats ±
	Christian Democratic Union	53.9	+3.9	55	+2
	Social Democratic Party	38.5	–2.0	40	–4
	Free Democratic Party	5.6	–0.3	5	+2
	National Democratic Party	1.1	–1.6	0	±0
	German Communist Party	0.5	–0.4	0	±0
	Others	0.3	N/A	0	N/A
Total		100.0	—	100	±0
Source: parties-and-elections.de