diff --git a/alfred/domain/release/parser/tokens.py b/alfred/domain/release/parser/tokens.py
index 8eb3b44..677740c 100644
--- a/alfred/domain/release/parser/tokens.py
+++ b/alfred/domain/release/parser/tokens.py
@@ -53,6 +53,7 @@ class TokenRole(str, Enum):
     HDR = "hdr"
     EDITION = "edition"
     LANGUAGE = "language"
+    DISTRIBUTOR = "distributor"
 
     # Meta
     SITE_TAG = "site_tag"
diff --git a/alfred/domain/release/ports/knowledge.py b/alfred/domain/release/ports/knowledge.py
index 52200bf..ff6982e 100644
--- a/alfred/domain/release/ports/knowledge.py
+++ b/alfred/domain/release/ports/knowledge.py
@@ -24,6 +24,7 @@ class ReleaseKnowledge(Protocol):
     resolutions: set[str]
     sources: set[str]
     codecs: set[str]
+    distributors: set[str]
     language_tokens: set[str]
     forbidden_chars: set[str]
     hdr_extra: set[str]
diff --git a/alfred/domain/release/value_objects.py b/alfred/domain/release/value_objects.py
index 87329aa..b3fa431 100644
--- a/alfred/domain/release/value_objects.py
+++ b/alfred/domain/release/value_objects.py
@@ -105,6 +105,7 @@ class ParsedRelease:
     bit_depth: str | None = None  # "10bit", "8bit", …
     hdr_format: str | None = None  # "DV", "HDR10", "DV.HDR10", …
     edition: str | None = None  # "UNRATED", "EXTENDED", "DIRECTORS.CUT", …
+    distributor: str | None = None  # "NF", "AMZN", "DSNP", … (streaming origin)
 
     def __post_init__(self) -> None:
         if not self.raw:
diff --git a/alfred/infrastructure/knowledge/release.py b/alfred/infrastructure/knowledge/release.py
index 4ea6375..60623e4 100644
--- a/alfred/infrastructure/knowledge/release.py
+++ b/alfred/infrastructure/knowledge/release.py
@@ -64,6 +64,15 @@ def load_sources() -> set[str]:
     return set(_load("sources.yaml").get("sources", []))
 
 
+def load_distributors() -> set[str]:
+    """Streaming distributor tokens (NF, AMZN, DSNP, …).
+
+    Distinct from ``load_sources()`` — distributors are uppercase scene
+    tags identifying the platform, not the capture origin.
+    """
+    return {t.upper() for t in _load("distributors.yaml").get("distributors", [])}
+
+
 def load_codecs() -> set[str]:
     return set(_load("codecs.yaml").get("codecs", []))
 
diff --git a/alfred/infrastructure/knowledge/release_kb.py b/alfred/infrastructure/knowledge/release_kb.py
index 980004f..c84df71 100644
--- a/alfred/infrastructure/knowledge/release_kb.py
+++ b/alfred/infrastructure/knowledge/release_kb.py
@@ -20,6 +20,7 @@ from alfred.domain.release.parser.tokens import TokenRole
 from .release import (
     load_audio,
     load_codecs,
+    load_distributors,
     load_editions,
     load_forbidden_chars,
     load_group_schemas,
@@ -72,6 +73,7 @@ class YamlReleaseKnowledge:
         self.resolutions: set[str] = load_resolutions()
         self.sources: set[str] = load_sources() | load_sources_extra()
         self.codecs: set[str] = load_codecs()
+        self.distributors: set[str] = load_distributors()
         self.language_tokens: set[str] = load_language_tokens()
         self.forbidden_chars: set[str] = load_forbidden_chars()
         self.hdr_extra: set[str] = load_hdr_extra()
diff --git a/alfred/knowledge/release/distributors.yaml b/alfred/knowledge/release/distributors.yaml
new file mode 100644
index 0000000..f4203af
--- /dev/null
+++ b/alfred/knowledge/release/distributors.yaml
@@ -0,0 +1,17 @@
+# Known streaming distributor tokens (case-insensitive match).
+#
+# These tags identify *which platform* the release was sourced from
+# (Netflix, Amazon, Disney+, …). Distinct from ``sources.yaml`` which
+# captures the encoding origin (WEB-DL, BluRay, …). A typical release
+# carries both: ``Show.S01E01.1080p.NF.WEB-DL.x264-GROUP`` →
+# source=WEB-DL, distributor=NF.
+distributors:
+  - NF      # Netflix
+  - AMZN    # Amazon Prime Video
+  - DSNP    # Disney+
+  - HMAX    # HBO Max
+  - ATVP    # Apple TV+
+  - HULU    # Hulu
+  - PCOK    # Peacock
+  - PMTP    # Paramount+
+  - CR      # Crunchyroll
diff --git a/alfred/knowledge/release/sources.yaml b/alfred/knowledge/release/sources.yaml
index 3c7b8eb..3daed04 100644
--- a/alfred/knowledge/release/sources.yaml
+++ b/alfred/knowledge/release/sources.yaml
@@ -1,4 +1,9 @@
-# Known release source tokens (case-insensitive match)
+# Known release source tokens (case-insensitive match).
+#
+# "Source" here means the capture/encoding origin (disc, broadcast, web
+# stream) — NOT the streaming distributor (Netflix, Disney+, …). Those
+# live in ``distributors.yaml`` because they're a separate dimension:
+# a release is typically "WEB-DL from NF" — both should be captured.
 sources:
   - bluray
   - blu-ray
@@ -14,8 +19,3 @@ sources:
   - dvdrip
   - dvd
   - vodrip
-  - amzn
-  - nf
-  - dsnp
-  - hmax
-  - atvp
diff --git a/tests/fixtures/releases/shitty/notre_planete_lowercase_e/expected.yaml b/tests/fixtures/releases/shitty/notre_planete_lowercase_e/expected.yaml
index e54ecfe..f902b08 100644
--- a/tests/fixtures/releases/shitty/notre_planete_lowercase_e/expected.yaml
+++ b/tests/fixtures/releases/shitty/notre_planete_lowercase_e/expected.yaml
@@ -1,7 +1,8 @@
 release_name: "Notre.planete.s01e01.1080p.NF.WEB-DL.DDP5.1.x264-NTb"
 
 # Lowercase 's01e01' and lowercased title word ('planete') correctly parsed.
-# NF (Netflix) source tag is not in the source KB — drops; WEB-DL wins.
+# NF is the Netflix streaming distributor (separate dimension from source);
+# WEB-DL is the encoding source.
 parsed:
   title: "Notre.planete"
   year: null
@@ -11,6 +12,7 @@ parsed:
   source: "WEB-DL"
   codec: "x264"
   group: "NTb"
+  distributor: "NF"
   tech_string: "1080p.WEB-DL.x264"
   media_type: "tv_show"
   parse_path: "direct"