LONDON, May 2 (Reuters) - Austria, Germany, Spain and Ireland will all sell debt at auctions next week.
* Austria will reopen its 1.15 percent October 2018 and its 2.4 percent May 2034 bonds for a combined total of 1.1 billion euros on Tuesday.
* Germany will issue a new April 2019 bond, named OBL 169, looking to raise 5 billion euros on Wednesday.
* Spain is set to tap its 2.1 percent April 2017, 4 percent April 2020 and 5.15 percent October 2028 bonds on Thursday. The size of the auction will be announced on Monday.
* Ireland is also scheduled to hold an auction on Thursday, details of which will be released on Monday. (Writing by John Geddie; Editing by Emelia Sithole-Matarise)