This study attempts to investigate the impact of polygamous marriage on women’s ruralrnland holding and use rights in Sidama zone. Multi- stage stratified sampling techniquernwas used to undertake this study. A combination of qualitative and quantitativernapproaches was employed to collect the required data and information for this study.rnFrom two woredas and four kebeles 210 polygamous households were selected. Primaryrnand secondary data sources were employed to collect relevant data. Polygamousrnhousehold survey and key informant interviews were used to collect primary data throughrnquestionnaire and discussions. Similarly, review of published and unpublished documentsrnwas used to analyze and understand impact of polygamous marriage on women’s ruralrnland holding and use rights in Sidama zone. The result of polygamous household surveyrnshows that 77% of respondents replied that polygamous marriage have negative impactrnon women’s rural land holding and use right. From the total sample polygamous wivesrn98% of them replied that polygamous marriage has negative impact on women’s ruralrnland holding and use rights. The survey of this study reveals that the negative impacts ofrnpolygamous marriage in relation to women’s land rights are fragmentation of land andrnincome from it to support additional wives and their children. So that polygamousrnhouseholds faced land shortage to produce enough food for household consumption.rnMoreover, this study reveals that 78% of polygamous husbands married their latter wivesrnsharing land from previous wife(s) common land holding. This result implies thatrnpolygamous wives have no secured land holding right because one day when the husbandrnwants to marry new wife the common land with previous wife(s) will be fragmented tornsupport additional wife(s) and children. From the total sample polygamous wives firstrnwives constitute 30%. The result of this study showed that 92% of previous wives are notrnconsented to the latter marriages. On the other hand 96% latter wives marriedrnpolygamous husband due to their parents influence and economic problem. In thisrnsituation almost all marriages of polygamous wives were not based on their free consent.rnFurther more, the result of this study indicated that 98% of polygamous wives accesses tornland are through marriage. Marriage is the only means of access to land for women.rnTherefore fragmentation of land due to polygamy negatively affects the wives land rightrnin the study area.