diff --git a/.changelog/27704.txt b/.changelog/27704.txt
new file mode 100644
index 000000000000..6075653b3452
--- /dev/null
+++ b/.changelog/27704.txt
@@ -0,0 +1,7 @@
+```release-note:enhancement
+data-source/aws_s3_object: Expand content types that can be read from S3 to include some human-readable application types (e.g., `application/xml`, `application/atom+xml`)
+```
+
+```release-note:enhancement
+data-source/aws_s3_bucket_object: Expand content types that can be read from S3 to include some human-readable application types (e.g., `application/xml`, `application/atom+xml`)
+```
\ No newline at end of file
diff --git a/internal/service/s3/object_data_source.go b/internal/service/s3/object_data_source.go
index d98df94fa678..a37b6a0a509e 100644
--- a/internal/service/s3/object_data_source.go
+++ b/internal/service/s3/object_data_source.go
@@ -256,8 +256,15 @@ func isContentTypeAllowed(contentType *string) bool {
 	}
 
 	allowedContentTypes := []*regexp.Regexp{
-		regexp.MustCompile("^text/.+"),
-		regexp.MustCompile("^application/json$"),
+		regexp.MustCompile(`^application/atom\+xml$`),
+		regexp.MustCompile(`^application/json$`),
+		regexp.MustCompile(`^application/ld\+json$`),
+		regexp.MustCompile(`^application/x-csh$`),
+		regexp.MustCompile(`^application/x-httpd-php$`),
+		regexp.MustCompile(`^application/x-sh$`),
+		regexp.MustCompile(`^application/xhtml\+xml$`),
+		regexp.MustCompile(`^application/xml$`),
+		regexp.MustCompile(`^text/.+`),
 	}
 
 	for _, r := range allowedContentTypes {