This study identified major factors behind delay in large irrigation projects in Ethiopia. The study focused on irrigation schemes that are owned and are being financed by government entities like Ministry of Water, Irrigation and Electricity (MoWIE) and The Ethiopian Construction Works Corporation (ECWC). The study was aimed at identifying the major causes of delay, the most frequently cited delay groups and identifying the frequently used delay resolution techniques. A Mean Score (MS) analysis was employed and from the listed 48 (forty-eight) delay factors, poor planning and activity scheduling (MS=3.33), poor project management (MS=3.15), problems in material delivery on time (MS=3.10), poor monitoring and evaluation system (MS=3.08), poor site management (MS= 2.95), delay in payment (MS=2.93), unfinished designs (MS=2.93), error in estimating durations (MS=2.9), contractor financial problems (MS=2.88), Poor decision making (MS=2.85) and issues related to right of way (MS=2.85) were found to be the highest ranking delay causes. Out of the listed 11 (eleven) factors, 4(four) fall under contractor delay category, followed by 3 (three) which fall under consultantsâ€™ category, 3 (three) under clients and 1 (one) under External category. When it comes to resolution methods forwarded by respondents, out of the 27 (twenty-seven) resolution methods, the 6 (six) top ranked resolution methods identified were estimating realistic cost and duration, making payment timely, Strategic planning, improving supply of materials and labor, developing systematic control mechanisms, and monitoring progress during control period. These resolution methods were listed by clients, contractors and consultants as top ranking as well.