Ostallgäu is an electoral constituency (German: Wahlkreis) represented in the Bundestag.

Since 2009, it has been represented by Stephan Stracke of the Christian Social Union (CSU).

In the 1976 through 1990 elections, it comprised the cities of Kaufbeuren and Memmingen and the districts of Ostallgäu and Unterallgäu.

Kurt Rossmanith [de] was representative from 1980 to 2009, a total of eight consecutive terms.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.