Worry is the most common psychological complaint among patients with Inflammatory Bowel Disease (IBD). This study aimed to translate and test the psychometric properties the Rating Form of IBD Patient Concerns (RFIPC) among Dutch-speaking patients with IBD in Belgium. It also aimed to describe worries and concerns, and to examine possible differences in worry patterns between patients with different disease types and disease activities. The RFIPC was translated into Dutch following the guidelines of the Rome Foundation and was completed by patients with Crohn’s disease (CD, n = 336) and ulcerative colitis (UC, n = 160). To test concurrent validity, the Depression Anxiety Stress Scales (DASS-21) were used. Factor structure was examined with confirmatory factor analysis. The four-factor structure including subscales ‘impact of the disease’, ‘sexual intimacy’, ‘complications of the disease’ and ‘body stigma’ was confirmed in the Dutch sample. All factors had high internal consistency (>.70). Correlations ...